{"id":4772,"date":"2026-11-10T03:05:00","date_gmt":"2026-11-10T03:05:00","guid":{"rendered":"https:\/\/skilllog.jp\/blog\/?p=4772"},"modified":"2026-11-10T05:13:28","modified_gmt":"2026-11-10T05:13:28","slug":"what-is-cvss","status":"publish","type":"post","link":"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/","title":{"rendered":"CVSS\u3068\u306f\uff1f\u30b9\u30b3\u30a2\u306e\u898b\u65b9\u3068\u6df1\u523b\u5ea6\u306e\u76ee\u5b89\u30fbv3.1\u3068v4.0\u306e\u9055\u3044\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/11\/CVSS\u6df1\u523b\u5ea6\u3068\u8a55\u4fa1\u57fa\u6e96\u306e\u65e9\u308f\u304b\u308a\u56f3-1024x768.webp\" alt=\"CVSS\u306e\u6df1\u523b\u5ea6\u30920.0\u301c10.0\u306e5\u6bb5\u968e\u3067\u793a\u3057\u305f\u56f3\u89e3\u3002\u7dca\u6025\u30fb\u91cd\u8981\u30fb\u8b66\u544a\u30fb\u6ce8\u610f\u30fb\u306a\u3057\u306e\u30b9\u30b3\u30a2\u7bc4\u56f2\u3001\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u8aad\u307f\u65b9\u3001v3.1\u3068v4.0\u306e\u9055\u3044\u3092\u6bd4\u8f03\u3057\u3001\u81ea\u793e\u74b0\u5883\u3082\u8003\u616e\u3057\u3066\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u3092\u5224\u65ad\u3059\u308b\u91cd\u8981\u6027\u3092\u89e3\u8aac\u3002\" class=\"wp-image-4797\" srcset=\"https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/11\/CVSS\u6df1\u523b\u5ea6\u3068\u8a55\u4fa1\u57fa\u6e96\u306e\u65e9\u308f\u304b\u308a\u56f3-1024x768.webp 1024w, https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/11\/CVSS\u6df1\u523b\u5ea6\u3068\u8a55\u4fa1\u57fa\u6e96\u306e\u65e9\u308f\u304b\u308a\u56f3-300x225.webp 300w, https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/11\/CVSS\u6df1\u523b\u5ea6\u3068\u8a55\u4fa1\u57fa\u6e96\u306e\u65e9\u308f\u304b\u308a\u56f3-768x576.webp 768w, https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/11\/CVSS\u6df1\u523b\u5ea6\u3068\u8a55\u4fa1\u57fa\u6e96\u306e\u65e9\u308f\u304b\u308a\u56f3.webp 1448w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<div class=\"article-fv-summary\" style=\"margin:20px 0 24px;padding:22px 24px;background:#eff6ff;border:1px solid #bfdbfe;border-left:5px solid #2563eb;border-radius:12px;\">\n<p style=\"margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.08em;color:#2563eb;\">\u3053\u306e\u8a18\u4e8b\u306e\u7d50\u8ad6<\/p>\n<p style=\"margin:0;font-size:17px;line-height:1.8;color:#1e3a5f;font-weight:700;\">CVSS\u3068\u306f\u3001\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u30920.0\u301c10.0\u306e\u6570\u5024\u3067\u8868\u3059\u56fd\u969b\u7684\u306a\u8a55\u4fa1\u306e\u4ed5\u7d44\u307f\u3067\u3059\u30029.0\u4ee5\u4e0a\u306f\u7dca\u6025\u3068\u3055\u308c\u307e\u3059\u304c\u3001\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u306f\u81ea\u793e\u306e\u74b0\u5883\u3068\u3042\u308f\u305b\u3066\u6c7a\u3081\u307e\u3059\u3002<\/p>\n<ul style=\"margin:16px 0 0;padding-left:22px;font-size:15px;line-height:1.9;color:#334155;\">\n<li>\u6df1\u523b\u5ea6\u306f5\u6bb5\u968e\u3067\u30019.0\u4ee5\u4e0a\u304c\u7dca\u6025\uff08Critical\uff09<\/li>\n<li>\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u3092\u8aad\u3080\u3068\u3001\u653b\u6483\u306e\u6761\u4ef6\u3068\u5f71\u97ff\u306e\u5927\u304d\u3055\u304c\u5206\u304b\u308b<\/li>\n<li>CVSS\u306f\u6df1\u523b\u5ea6\u306e\u6307\u6a19\u3067\u3001\u30ea\u30b9\u30af\u306e\u8a55\u4fa1\u306b\u306f\u74b0\u5883\u306e\u60c5\u5831\u304c\u5fc5\u8981<\/li>\n<\/ul>\n<\/div>\n<p style=\"font-size:13px;color:#6b7280;margin-bottom:8px;\">\ud83d\udcd6 \u8aad\u4e86\u6642\u9593\uff1a\u7d0412\u5206<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">CVSS\u3068\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u3092\u30010.0\u301c10.0\u306e\u6570\u5024\u3067\u8868\u3059\u56fd\u969b\u7684\u306a\u8a55\u4fa1\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002Common Vulnerability Scoring System\uff08\u5171\u901a\u8106\u5f31\u6027\u8a55\u4fa1\u30b7\u30b9\u30c6\u30e0\uff09\u306e\u7565\u3067\u3001FIRST\uff08Forum of Incident Response and Security Teams\uff09\u3068\u3044\u3046\u56fd\u969b\u7684\u306a\u56e3\u4f53\u304c\u4ed5\u69d8\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u8106\u5f31\u6027\u306e\u60c5\u5831\u306b\u306f\u300cCVSS 9.8\u300d\u306e\u3088\u3046\u306a\u6570\u5024\u304c\u6dfb\u3048\u3089\u308c\u30019.0\u4ee5\u4e0a\u306f\u7dca\u6025\uff08Critical\uff09\u3068\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001CVSS\u304c\u793a\u3059\u306e\u306f\u3042\u304f\u307e\u3067\u8106\u5f31\u6027\u305d\u306e\u3082\u306e\u306e\u6df1\u523b\u5ea6\u3067\u3059\u3002\u81ea\u793e\u306b\u3068\u3063\u3066\u306e\u5371\u967a\u306e\u5927\u304d\u3055\u306f\u3001\u305d\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u4f7f\u3048\u308b\u304b\u3001\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u306a\u3069\u3068\u3042\u308f\u305b\u3066\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u4ee5\u4e0b\u3067\u306f\u3001\u6df1\u523b\u5ea6\u306e\u76ee\u5b89\u3001\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\u3068\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u8aad\u307f\u65b9\u3001v3.1\u3068v4.0\u306e\u9055\u3044\u3001CVSS\u3060\u3051\u3067\u5224\u65ad\u3057\u306a\u3044\u7406\u7531\u306e\u9806\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div style=\"margin-top:32px;margin-bottom:24px;padding:24px;background-color:#fef3f2;border-left:4px solid #ef4444;border-radius:8px;\">\n<p style=\"font-size:16px;line-height:1.6;color:#333;\"><strong>\u3053\u3093\u306a\u60a9\u307f\u306f\u3042\u308a\u307e\u305b\u3093\u304b<\/strong><\/p>\n<ul style=\"font-size:16px;line-height:1.6;color:#333;margin-top:12px;padding-left:24px;\">\n<li>\u8106\u5f31\u6027\u306e\u60c5\u5831\u306b\u66f8\u304b\u308c\u305f\u300cCVSS 9.8\u300d\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u5206\u304b\u3089\u306a\u3044<\/li>\n<li>\u30b9\u30b3\u30a2\u306e\u6a2a\u306b\u3042\u308b\u300cAV:N\/AC:L\u300d\u306e\u3088\u3046\u306a\u8a18\u53f7\u306e\u8aad\u307f\u65b9\u3092\u77e5\u308a\u305f\u3044<\/li>\n<li>v3.1\u3068v4.0\u306e\u3069\u3061\u3089\u3092\u898b\u308c\u3070\u3088\u3044\u304b\u8ff7\u3046<\/li>\n<li>\u30b9\u30b3\u30a2\u304c\u9ad8\u3044\u9806\u306b\u5bfe\u5fdc\u3059\u308c\u3070\u3088\u3044\u306e\u304b\u5224\u65ad\u306b\u8ff7\u3046<\/li>\n<\/ul>\n<\/div>\n<div style=\"margin-top:32px;margin-bottom:24px;padding:24px;background-color:#f9fafb;border-left:4px solid #06c755;border-radius:8px;\">\n<p style=\"font-size:16px;line-height:1.6;color:#333;\"><strong>\u3053\u306e\u8a18\u4e8b\u3067\u5206\u304b\u308b\u3053\u3068<\/strong><\/p>\n<ul style=\"font-size:16px;line-height:1.6;color:#333;margin-top:12px;padding-left:24px;\">\n<li>CVSS\u306e\u610f\u5473\u3068\u3001\u6df1\u523b\u5ea6\u306e5\u6bb5\u968e\u306e\u76ee\u5b89<\/li>\n<li>v3.1\u306e\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\u3068\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u8aad\u307f\u65b9<\/li>\n<li>v3.1\u3068v4.0\u306e\u4e3b\u306a\u9055\u3044<\/li>\n<li>CVSS\u3060\u3051\u3067\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u3066\u306f\u3044\u3051\u306a\u3044\u7406\u7531<\/li>\n<li>\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u7d4c\u6b74\u3067\u4f1d\u3048\u308b\u30dd\u30a4\u30f3\u30c8<\/li>\n<\/ul>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u8106\u5f31\u6027\u306e\u60c5\u5831\u306b\u66f8\u304b\u308c\u305f\u30b9\u30b3\u30a2\u3092\u81ea\u5206\u3067\u8aad\u307f\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u3067\u30b9\u30ad\u30eb\u30ed\u30b0\u306b\u767b\u9332\u3057\u3001\u3053\u308c\u307e\u3067\u306b\u5bfe\u5fdc\u3057\u305f\u8106\u5f31\u6027\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u4e8b\u3092\u6848\u4ef6\u3054\u3068\u306b\u8a18\u9332\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<div style=\"clear:both;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin:32px 0;padding:8px 0;line-height:1.6;\"><a href=\"https:\/\/skilllog.jp\/users\/sign_up?utm_source=blog&utm_medium=article&utm_campaign=what-is-cvss\" style=\"background:#2563eb;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u5bfe\u5fdc\u3057\u305f\u4ed5\u4e8b\u3092\u8a18\u9332\u3059\u308b<\/a><a href=\"#skilllog-consultation\" style=\"background:#06c755;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u8ee2\u8077\u30fb\u6848\u4ef6\u76f8\u8ac7\u3092\u3059\u308b<\/a><\/div>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS%E3%81%A8%E3%81%AF\" >CVSS\u3068\u306f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%81%A9%E3%81%93%E3%81%A7%E4%BD%BF%E3%82%8F%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E3%81%8B\" >\u3069\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E5%90%8C%E3%81%98%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%A7%E3%82%82%E5%80%A4%E3%81%8C%E9%81%95%E3%81%86%E3%81%93%E3%81%A8%E3%81%8C%E3%81%82%E3%82%8B\" >\u540c\u3058\u8106\u5f31\u6027\u3067\u3082\u5024\u304c\u9055\u3046\u3053\u3068\u304c\u3042\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS%E3%81%AE%E6%B7%B1%E5%88%BB%E5%BA%A6%E3%81%AE%E7%9B%AE%E5%AE%89\" >CVSS\u306e\u6df1\u523b\u5ea6\u306e\u76ee\u5b89<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%AE%E5%91%BC%E3%81%B3%E6%96%B9%E3%81%AFIPA%E3%81%AE%E8%A7%A3%E8%AA%AC%E3%81%8C%E5%9F%BA%E6%BA%96%E3%81%AB%E3%81%AA%E3%82%8B\" >\u65e5\u672c\u8a9e\u306e\u547c\u3073\u65b9\u306fIPA\u306e\u89e3\u8aac\u304c\u57fa\u6e96\u306b\u306a\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS_v31%E3%81%AE%E5%9F%BA%E6%9C%AC%E8%A9%95%E4%BE%A1%E5%9F%BA%E6%BA%96%E3%81%A8%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%AE%E8%A6%8B%E6%96%B9\" >CVSS v3.1\u306e\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\u3068\u30b9\u30b3\u30a2\u306e\u898b\u65b9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E6%96%87%E5%AD%97%E5%88%97%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9\" >\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u8aad\u307f\u65b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E6%95%B0%E5%80%A4%E3%82%88%E3%82%8A%E3%82%82%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E3%82%92%E8%A6%8B%E3%82%8B\" >\u6570\u5024\u3088\u308a\u3082\u30d9\u30af\u30c8\u30eb\u3092\u898b\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS_v31%E3%81%A8v40%E3%81%AE%E9%81%95%E3%81%84\" >CVSS v3.1\u3068v4.0\u306e\u9055\u3044<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%81%A9%E3%81%A1%E3%82%89%E3%81%AE%E7%89%88%E3%81%8B%E3%81%AF%E5%85%88%E9%A0%AD%E3%81%A7%E8%A6%8B%E5%88%86%E3%81%91%E3%82%8B\" >\u3069\u3061\u3089\u306e\u7248\u304b\u306f\u5148\u982d\u3067\u898b\u5206\u3051\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS%E3%81%A0%E3%81%91%E3%81%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E5%84%AA%E5%85%88%E9%A0%86%E4%BD%8D%E3%82%92%E6%B1%BA%E3%82%81%E3%81%A6%E3%81%AF%E3%81%84%E3%81%91%E3%81%AA%E3%81%84%E7%90%86%E7%94%B1\" >CVSS\u3060\u3051\u3067\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u3066\u306f\u3044\u3051\u306a\u3044\u7406\u7531<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E8%84%86%E5%BC%B1%E6%80%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E7%B5%8C%E9%A8%93%E3%82%92%E7%B5%8C%E6%AD%B4%E3%81%A7%E4%BC%9D%E3%81%88%E3%82%8B%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\" >\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u7d4c\u6b74\u3067\u4f1d\u3048\u308b\u30dd\u30a4\u30f3\u30c8<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E8%84%86%E5%BC%B1%E6%80%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E7%B5%8C%E9%A8%93%E3%82%92%E3%82%B9%E3%82%AD%E3%83%AB%E3%83%AD%E3%82%B0%E3%81%A7%E6%AE%8B%E3%81%99%E7%90%86%E7%94%B1\" >\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u30b9\u30ad\u30eb\u30ed\u30b0\u3067\u6b8b\u3059\u7406\u7531<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%82%88%E3%81%8F%E3%81%82%E3%82%8B%E8%B3%AA%E5%95%8F\" >\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS_98%E3%81%A8%E3%81%AF%E3%81%A9%E3%81%86%E3%81%84%E3%81%86%E7%8A%B6%E6%85%8B%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\" >CVSS 9.8\u3068\u306f\u3069\u3046\u3044\u3046\u72b6\u614b\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS%E3%81%A8CVE%E3%81%AF%E4%BD%95%E3%81%8C%E9%81%95%E3%81%84%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F\" >CVSS\u3068CVE\u306f\u4f55\u304c\u9055\u3044\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#CVSS%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%AF%E3%81%A9%E3%81%93%E3%81%A7%E8%AA%BF%E3%81%B9%E3%82%89%E3%82%8C%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F\" >CVSS\u306e\u30b9\u30b3\u30a2\u306f\u3069\u3053\u3067\u8abf\u3079\u3089\u308c\u307e\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#v40%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%8C%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AF%E3%81%A9%E3%81%86%E3%81%99%E3%82%8C%E3%81%B0%E3%82%88%E3%81%84%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\" >v4.0\u306e\u30b9\u30b3\u30a2\u304c\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cvss\/#%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%8C%E4%BD%8E%E3%81%84%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AF%E6%94%BE%E7%BD%AE%E3%81%97%E3%81%A6%E3%82%88%E3%81%84%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\" >\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u8106\u5f31\u6027\u306f\u653e\u7f6e\u3057\u3066\u3088\u3044\u3067\u3059\u304b\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"CVSS%E3%81%A8%E3%81%AF\"><\/span>CVSS\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">CVSS\u3068\u306f\u3001\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u3092\u5171\u901a\u306e\u57fa\u6e96\u3067\u6570\u5024\u306b\u3059\u308b\u305f\u3081\u306e\u56fd\u969b\u7684\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u8106\u5f31\u6027\u306e\u6df1\u523b\u3055\u3092\u3001\u88fd\u54c1\u306e\u958b\u767a\u5143\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u95a2\u304c\u305d\u308c\u305e\u308c\u306e\u8a00\u8449\u3067\u8868\u3059\u3068\u3001\u6bd4\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002CVSS\u306f\u3001\u653b\u6483\u306e\u6761\u4ef6\u3084\u5f71\u97ff\u306e\u5927\u304d\u3055\u3092\u6c7a\u307e\u3063\u305f\u9805\u76ee\u3067\u8a55\u4fa1\u3057\u30010.0\u301c10.0\u306e\u6570\u5024\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u8ab0\u304c\u898b\u3066\u3082\u540c\u3058\u7269\u5dee\u3057\u3067\u6bd4\u3079\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%A9%E3%81%93%E3%81%A7%E4%BD%BF%E3%82%8F%E3%82%8C%E3%81%A6%E3%81%84%E3%82%8B%E3%81%8B\"><\/span>\u3069\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">CVSS\u306e\u30b9\u30b3\u30a2\u306f\u3001\u7c73\u56fd\u306eNVD\uff08National Vulnerability Database\uff09\u3001\u65e5\u672c\u306eJVN\u3001\u88fd\u54c1\u306e\u958b\u767a\u5143\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u306a\u3069\u3001\u591a\u304f\u306e\u8106\u5f31\u6027\u60c5\u5831\u306b\u6dfb\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u500b\u3005\u306e\u8106\u5f31\u6027\u3092\u8b58\u5225\u3059\u308b\u756a\u53f7\u3067\u3042\u308bCVE\u3068\u306f\u5f79\u5272\u304c\u9055\u3044\u3001\u305d\u306e\u9055\u3044\u306f<a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cve\/\" style=\"color:#2563eb;text-decoration:underline;\">CVE\u3068\u306f\uff1fCVE\u756a\u53f7\u306e\u8aad\u307f\u65b9\u3068CVSS\u30fbCWE\u3068\u306e\u9055\u3044<\/a>\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%90%8C%E3%81%98%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%A7%E3%82%82%E5%80%A4%E3%81%8C%E9%81%95%E3%81%86%E3%81%93%E3%81%A8%E3%81%8C%E3%81%82%E3%82%8B\"><\/span>\u540c\u3058\u8106\u5f31\u6027\u3067\u3082\u5024\u304c\u9055\u3046\u3053\u3068\u304c\u3042\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u30b9\u30b3\u30a2\u306f\u3001\u8a55\u4fa1\u3059\u308b\u7d44\u7e54\u304c\u60c5\u5831\u3092\u3082\u3068\u306b\u5224\u65ad\u3057\u3066\u3064\u3051\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u540c\u3058\u8106\u5f31\u6027\u3067\u3082\u3001\u88fd\u54c1\u306e\u958b\u767a\u5143\u3068NVD\u306a\u3069\u3067\u5024\u304c\u7570\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u306e\u7d44\u7e54\u306e\u3001\u3069\u306e\u7248\u306e\u30b9\u30b3\u30a2\u306a\u306e\u304b\u3092\u78ba\u304b\u3081\u3066\u8aad\u3080\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"CVSS%E3%81%AE%E6%B7%B1%E5%88%BB%E5%BA%A6%E3%81%AE%E7%9B%AE%E5%AE%89\"><\/span>CVSS\u306e\u6df1\u523b\u5ea6\u306e\u76ee\u5b89<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">\u30b9\u30b3\u30a2\u306f5\u6bb5\u968e\u306e\u6df1\u523b\u5ea6\u306b\u5206\u3051\u3089\u308c\u30019.0\u4ee5\u4e0a\u304c\u7dca\u6025\uff08Critical\uff09\u3067\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">FIRST\u306e\u4ed5\u69d8\u3067\u306f\u3001\u30b9\u30b3\u30a2\u3092\u6b21\u306e5\u6bb5\u968e\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002\u533a\u5207\u308a\u306fv3.1\u3068v4.0\u3067\u5171\u901a\u3067\u3059\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:24px 0;\">\n<tr>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u30b9\u30b3\u30a2<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u6df1\u523b\u5ea6\uff08\u82f1\u8a9e\uff09<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u65e5\u672c\u8a9e\u3067\u306e\u547c\u3073\u65b9\uff08IPA\u306e\u89e3\u8aac\uff09<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">9.0\u301c10.0<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">Critical<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u7dca\u6025<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">7.0\u301c8.9<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">High<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u91cd\u8981<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">4.0\u301c6.9<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">Medium<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u8b66\u544a<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">0.1\u301c3.9<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">Low<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u6ce8\u610f<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">0.0<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">None<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u306a\u3057<\/td>\n<\/tr>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%AE%E5%91%BC%E3%81%B3%E6%96%B9%E3%81%AFIPA%E3%81%AE%E8%A7%A3%E8%AA%AC%E3%81%8C%E5%9F%BA%E6%BA%96%E3%81%AB%E3%81%AA%E3%82%8B\"><\/span>\u65e5\u672c\u8a9e\u306e\u547c\u3073\u65b9\u306fIPA\u306e\u89e3\u8aac\u304c\u57fa\u6e96\u306b\u306a\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u82f1\u8a9e\u306e\u533a\u5206\u306fFIRST\u306e\u4ed5\u69d8\u3067\u6c7a\u307e\u3063\u3066\u3044\u3066\u3001\u65e5\u672c\u8a9e\u306e\u300c\u7dca\u6025\u30fb\u91cd\u8981\u30fb\u8b66\u544a\u30fb\u6ce8\u610f\u30fb\u306a\u3057\u300d\u306fIPA\u306e\u89e3\u8aac\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u547c\u3073\u65b9\u3067\u3059\u3002\u88fd\u54c1\u306e\u958b\u767a\u5143\u306b\u3088\u3063\u3066\u306f\u72ec\u81ea\u306e\u547c\u3073\u65b9\u3092\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001\u8ff7\u3063\u305f\u3068\u304d\u306f\u6570\u5024\u3068\u82f1\u8a9e\u306e\u533a\u5206\u3067\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002\u9805\u76ee\u540d\u306e\u65e5\u672c\u8a9e\u3082\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fIPA\u306e\u89e3\u8aac\u306b\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"CVSS_v31%E3%81%AE%E5%9F%BA%E6%9C%AC%E8%A9%95%E4%BE%A1%E5%9F%BA%E6%BA%96%E3%81%A8%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%AE%E8%A6%8B%E6%96%B9\"><\/span>CVSS v3.1\u306e\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\u3068\u30b9\u30b3\u30a2\u306e\u898b\u65b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\u306f\u3001\u653b\u6483\u306e\u3057\u3084\u3059\u3055\u3092\u8868\u30594\u9805\u76ee\u3001\u5f71\u97ff\u306e\u7bc4\u56f2\u3092\u8868\u3059\u30b9\u30b3\u30fc\u30d7\u3001\u5f71\u97ff\u306e\u5927\u304d\u3055\u3092\u8868\u30593\u9805\u76ee\u306e\u5408\u8a088\u9805\u76ee\u3067\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u73fe\u5728\u3082\u591a\u304f\u306e\u8106\u5f31\u6027\u60c5\u5831\u3067\u4f7f\u308f\u308c\u3066\u3044\u308bv3.1\u3067\u306f\u3001\u8106\u5f31\u6027\u305d\u306e\u3082\u306e\u306e\u6027\u8cea\u3092\u300c\u57fa\u672c\u8a55\u4fa1\u57fa\u6e96\uff08Base\uff09\u300d\u306e8\u9805\u76ee\u3067\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:24px 0;\">\n<tr>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u9805\u76ee\uff08\u7565\u53f7\uff09<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u610f\u5473<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u53d6\u308a\u3046\u308b\u5024<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u653b\u6483\u5143\u533a\u5206\uff08AV\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u3069\u3053\u304b\u3089\u653b\u6483\u3067\u304d\u308b\u304b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08N\uff09\uff0f\u96a3\u63a5\uff08A\uff09\uff0f\u30ed\u30fc\u30ab\u30eb\uff08L\uff09\uff0f\u7269\u7406\uff08P\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u653b\u6483\u6761\u4ef6\u306e\u8907\u96d1\u3055\uff08AC\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u653b\u6483\u306b\u7279\u5225\u306a\u6761\u4ef6\u304c\u5fc5\u8981\u304b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u4f4e\uff08L\uff09\uff0f\u9ad8\uff08H\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u5fc5\u8981\u306a\u7279\u6a29\u30ec\u30d9\u30eb\uff08PR\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u653b\u6483\u8005\u306b\u3069\u306e\u7a0b\u5ea6\u306e\u6a29\u9650\u304c\u5fc5\u8981\u304b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u4e0d\u8981\uff08N\uff09\uff0f\u4f4e\uff08L\uff09\uff0f\u9ad8\uff08H\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u30e6\u30fc\u30b6\u95a2\u4e0e\u30ec\u30d9\u30eb\uff08UI\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u5229\u7528\u8005\u306e\u64cd\u4f5c\u304c\u5fc5\u8981\u304b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u4e0d\u8981\uff08N\uff09\uff0f\u8981\uff08R\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u30b9\u30b3\u30fc\u30d7\uff08S\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u5f71\u97ff\u304c\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u53ca\u3076\u304b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u5909\u66f4\u306a\u3057\uff08U\uff09\uff0f\u5909\u66f4\u3042\u308a\uff08C\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u6a5f\u5bc6\u6027\u30fb\u5b8c\u5168\u6027\u30fb\u53ef\u7528\u6027\u3078\u306e\u5f71\u97ff\uff08C\u30fbI\u30fbA\uff09<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u60c5\u5831\u306e\u6f0f\u3048\u3044\u3001\u6539\u3056\u3093\u3001\u505c\u6b62\u3078\u306e\u5f71\u97ff<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u9ad8\uff08H\uff09\uff0f\u4f4e\uff08L\uff09\uff0f\u306a\u3057\uff08N\uff09<\/td>\n<\/tr>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E6%96%87%E5%AD%97%E5%88%97%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9\"><\/span>\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u8aad\u307f\u65b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u30b9\u30b3\u30a2\u306b\u306f\u3001\u8a55\u4fa1\u306e\u4e2d\u8eab\u3092\u8868\u3059\u300c\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u300d\u304c\u6dfb\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300cCVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H\u300d\u306f\u3001v3.1\u3067\u8a55\u4fa1\u3055\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u3001\u7279\u5225\u306a\u6761\u4ef6\u306a\u3057\u306b\u3001\u6a29\u9650\u3082\u5229\u7528\u8005\u306e\u64cd\u4f5c\u3082\u306a\u304f\u653b\u6483\u3067\u304d\u3001\u60c5\u5831\u306e\u6f0f\u3048\u3044\u30fb\u6539\u3056\u3093\u30fb\u505c\u6b62\u306e\u3059\u3079\u3066\u306b\u5927\u304d\u306a\u5f71\u97ff\u304c\u3042\u308b\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u57fa\u672c\u5024\u306f9.8\u3067\u3001\u7dca\u6025\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%95%B0%E5%80%A4%E3%82%88%E3%82%8A%E3%82%82%E3%83%99%E3%82%AF%E3%83%88%E3%83%AB%E3%82%92%E8%A6%8B%E3%82%8B\"><\/span>\u6570\u5024\u3088\u308a\u3082\u30d9\u30af\u30c8\u30eb\u3092\u898b\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u540c\u3058\u304f\u3089\u3044\u306e\u30b9\u30b3\u30a2\u3067\u3082\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u96e2\u308c\u305f\u5834\u6240\u304b\u3089\u653b\u6483\u3067\u304d\u308b\u3082\u306e\u3068\u3001\u653b\u6483\u8005\u304c\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3082\u306e\u3067\u306f\u3001\u5bfe\u5fdc\u306e\u6025\u304e\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u6570\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u3067\u300c\u3069\u3053\u304b\u3089\u300d\u300c\u3069\u3093\u306a\u6761\u4ef6\u3067\u300d\u653b\u6483\u3067\u304d\u308b\u306e\u304b\u3092\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"CVSS_v31%E3%81%A8v40%E3%81%AE%E9%81%95%E3%81%84\"><\/span>CVSS v3.1\u3068v4.0\u306e\u9055\u3044<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">v4.0\u3067\u306f\u3001\u8a55\u4fa1\u306e\u6307\u6a19\u7fa4\u304c\u898b\u76f4\u3055\u308c\u3001\u653b\u6483\u306e\u524d\u63d0\u6761\u4ef6\u3084\u5f71\u97ff\u306e\u53ca\u3076\u7bc4\u56f2\u3092\u3088\u308a\u7d30\u304b\u304f\u8868\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">FIRST\u306f2023\u5e7411\u67081\u65e5\u306bCVSS v4.0\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u73fe\u5728\u3082v3.1\u306e\u30b9\u30b3\u30a2\u3092\u4f7f\u3046\u60c5\u5831\u6e90\u306f\u591a\u304f\u3001\u4e21\u65b9\u306e\u7248\u304c\u4e26\u3093\u3067\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:24px 0;\">\n<tr>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">\u89b3\u70b9<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">v3.1\uff082019\u5e746\u6708\u516c\u958b\uff09<\/th>\n<th style=\"border:1px solid #ddd;padding:12px;background:#1e40af;color:#ffffff;font-weight:700;text-align:left;\">v4.0\uff082023\u5e7411\u6708\u516c\u958b\uff09<\/th>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u6307\u6a19\u7fa4<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u57fa\u672c\u30fb\u73fe\u72b6\uff08Temporal\uff09\u30fb\u74b0\u5883<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u57fa\u672c\u30fb\u8105\u5a01\uff08Threat\uff09\u30fb\u74b0\u5883\u30fb\u88dc\u8db3\uff08Supplemental\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u653b\u6483\u306e\u524d\u63d0\u6761\u4ef6<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u653b\u6483\u6761\u4ef6\u306e\u8907\u96d1\u3055\uff08AC\uff09\u306b\u542b\u3081\u3066\u8a55\u4fa1<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u653b\u6483\u8981\u4ef6\uff08AT\uff09\u3092\u65b0\u305f\u306b\u5206\u3051\u3066\u8a55\u4fa1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u5f71\u97ff\u306e\u7bc4\u56f2<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u30b9\u30b3\u30fc\u30d7\uff08S\uff09\u3067\u4ed6\u3078\u306e\u5f71\u97ff\u3092\u8868\u3059<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#ffffff;\">\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5f71\u97ff\u3068\u3001\u5f8c\u7d9a\u306e\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5f71\u97ff\u3092\u5206\u3051\u3066\u8a55\u4fa1<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">\u30b9\u30b3\u30a2\u306e\u8868\u8a18<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">CVSS:3.1\u3067\u59cb\u307e\u308b<\/td>\n<td style=\"border:1px solid #ddd;padding:12px;background:#f8fafc;\">CVSS:4.0\u3067\u59cb\u307e\u308a\u3001CVSS-B\u30fbCVSS-BT\u306a\u3069\u4f7f\u3063\u305f\u6307\u6a19\u7fa4\u3082\u793a\u3059<\/td>\n<\/tr>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%A9%E3%81%A1%E3%82%89%E3%81%AE%E7%89%88%E3%81%8B%E3%81%AF%E5%85%88%E9%A0%AD%E3%81%A7%E8%A6%8B%E5%88%86%E3%81%91%E3%82%8B\"><\/span>\u3069\u3061\u3089\u306e\u7248\u304b\u306f\u5148\u982d\u3067\u898b\u5206\u3051\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u306e\u5148\u982d\u304c\u300cCVSS:3.1\u300d\u304b\u300cCVSS:4.0\u300d\u304b\u3067\u3001\u3069\u3061\u3089\u306e\u7248\u304b\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u7248\u304c\u9055\u3046\u30b9\u30b3\u30a2\u3092\u305d\u306e\u307e\u307e\u6bd4\u3079\u308b\u3053\u3068\u306f\u907f\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"CVSS%E3%81%A0%E3%81%91%E3%81%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E5%84%AA%E5%85%88%E9%A0%86%E4%BD%8D%E3%82%92%E6%B1%BA%E3%82%81%E3%81%A6%E3%81%AF%E3%81%84%E3%81%91%E3%81%AA%E3%81%84%E7%90%86%E7%94%B1\"><\/span>CVSS\u3060\u3051\u3067\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u3066\u306f\u3044\u3051\u306a\u3044\u7406\u7531<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">CVSS\u306f\u6df1\u523b\u5ea6\u306e\u6307\u6a19\u3067\u3001\u30ea\u30b9\u30af\u306e\u8a55\u4fa1\u306b\u306f\u81ea\u793e\u306e\u74b0\u5883\u3084\u60aa\u7528\u306e\u72b6\u6cc1\u3068\u3042\u308f\u305b\u3066\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">FIRST\u306ev3.1\u306e\u30e6\u30fc\u30b6\u30fc\u30ac\u30a4\u30c9\u306f\u3001\u300cCVSS\u306f\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u3092\u6e2c\u308b\u305f\u3081\u306b\u4f5c\u3089\u308c\u305f\u3082\u306e\u3067\u3001\u305d\u308c\u3060\u3051\u3067\u30ea\u30b9\u30af\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044\u300d\u3068\u660e\u8a18\u3057\u3066\u3044\u307e\u3059\u3002\u30b9\u30b3\u30a2\u304c\u9ad8\u304f\u3066\u3082\u3001\u81ea\u793e\u3067\u4f7f\u3063\u3066\u3044\u306a\u3044\u88fd\u54c1\u3084\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308c\u3070\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u53cd\u5bfe\u306b\u3001\u30b9\u30b3\u30a2\u304c\u4e2d\u7a0b\u5ea6\u3067\u3082\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u516c\u958b\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u3067\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u6025\u3044\u3067\u5bfe\u5fdc\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<ul style=\"margin:0 0 20px 0;padding-left:24px;line-height:1.9;\">\n<li>\u81ea\u793e\u306e\u74b0\u5883\uff1a\u305d\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u3063\u3066\u3044\u308b\u304b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u4f7f\u3048\u308b\u304b\u3001\u91cd\u8981\u306a\u60c5\u5831\u3092\u6271\u3046\u304b<\/li>\n<li>\u60aa\u7528\u306e\u72b6\u6cc1\uff1a\u7c73\u56fdCISA\u306e\u300cKEV\uff08\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u305f\u8106\u5f31\u6027\u306e\u30ab\u30bf\u30ed\u30b0\uff09\u300d\u306b\u8f09\u3063\u3066\u3044\u308b\u304b<\/li>\n<li>\u60aa\u7528\u306e\u898b\u8fbc\u307f\uff1aFIRST\u306e\u300cEPSS\uff08\u4eca\u5f8c30\u65e5\u4ee5\u5185\u306b\u60aa\u7528\u3055\u308c\u308b\u78ba\u7387\u306e\u63a8\u5b9a\uff09\u300d\u306e\u5024<\/li>\n<\/ul>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u512a\u5148\u9806\u4f4d\u306e\u3064\u3051\u65b9\u3092\u542b\u3081\u305f\u5bfe\u5fdc\u306e\u5168\u4f53\u306e\u6d41\u308c\u306f<a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/vulnerability-response-process\/\" style=\"color:#2563eb;text-decoration:underline;\">\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u9032\u3081\u65b9<\/a>\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u30b9\u30b3\u30a2\u3092\u8aad\u3093\u3067\u5bfe\u5fdc\u3057\u305f\u7d4c\u9a13\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u904b\u7528\u306e\u7d4c\u6b74\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u308b\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002\u30b9\u30ad\u30eb\u30ed\u30b0\u306b\u6848\u4ef6\u3068\u3057\u3066\u8a18\u9332\u3057\u3066\u304a\u304f\u3068\u3001\u4ef6\u6570\u3084\u5bfe\u5fdc\u306e\u65e9\u3055\u307e\u3067\u5f8c\u304b\u3089\u632f\u308a\u8fd4\u308c\u307e\u3059\u3002<\/p>\n<div style=\"clear:both;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin:32px 0;padding:8px 0;line-height:1.6;\"><a href=\"https:\/\/skilllog.jp\/users\/sign_up?utm_source=blog&utm_medium=article&utm_campaign=what-is-cvss\" style=\"background:#2563eb;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u8a18\u9332\u3059\u308b<\/a><a href=\"#skilllog-consultation\" style=\"background:#06c755;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u8ee2\u8077\u30fb\u6848\u4ef6\u76f8\u8ac7\u3092\u3059\u308b<\/a><\/div>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"%E8%84%86%E5%BC%B1%E6%80%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E7%B5%8C%E9%A8%93%E3%82%92%E7%B5%8C%E6%AD%B4%E3%81%A7%E4%BC%9D%E3%81%88%E3%82%8B%E3%83%9D%E3%82%A4%E3%83%B3%E3%83%88\"><\/span>\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u7d4c\u6b74\u3067\u4f1d\u3048\u308b\u30dd\u30a4\u30f3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">\u3069\u3093\u306a\u57fa\u6e96\u3067\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u3001\u4f55\u4ef6\u306b\u3069\u308c\u304f\u3089\u3044\u306e\u671f\u9593\u3067\u5bfe\u5fdc\u3057\u305f\u304b\u3092\u66f8\u304f\u3068\u4f1d\u308f\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u300c\u8106\u5f31\u6027\u5bfe\u5fdc\u3092\u62c5\u5f53\u300d\u3068\u3060\u3051\u66f8\u304f\u306e\u3067\u306f\u306a\u304f\u3001\u300cCVSS\u3068KEV\u3092\u3082\u3068\u306b\u512a\u5148\u9806\u4f4d\u306e\u57fa\u6e96\u3092\u4f5c\u308a\u3001\u516c\u958b\u30b5\u30fc\u30d0\u30fc\u306e\u91cd\u8981\u306a\u8106\u5f31\u6027\u306f\u516c\u8868\u304b\u30893\u65e5\u4ee5\u5185\u306b\u5bfe\u5fdc\u3059\u308b\u904b\u7528\u3092\u56de\u3057\u305f\u300d\u306e\u3088\u3046\u306b\u3001\u5224\u65ad\u306e\u57fa\u6e96\u3068\u7d50\u679c\u3092\u66f8\u304d\u307e\u3057\u3087\u3046\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7d4c\u6b74\u306e\u66f8\u304d\u65b9\u306f<a href=\"https:\/\/skilllog.jp\/blog\/2026\/10\/22\/security-engineer-skill-sheet-writing\/\" style=\"color:#2563eb;text-decoration:underline;\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b9\u30ad\u30eb\u30b7\u30fc\u30c8\u306e\u66f8\u304d\u65b9<\/a>\u3067\u3082\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E8%84%86%E5%BC%B1%E6%80%A7%E5%AF%BE%E5%BF%9C%E3%81%AE%E7%B5%8C%E9%A8%93%E3%82%92%E3%82%B9%E3%82%AD%E3%83%AB%E3%83%AD%E3%82%B0%E3%81%A7%E6%AE%8B%E3%81%99%E7%90%86%E7%94%B1\"><\/span>\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u7d4c\u9a13\u3092\u30b9\u30ad\u30eb\u30ed\u30b0\u3067\u6b8b\u3059\u7406\u7531<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u8106\u5f31\u6027\u5bfe\u5fdc\u306f\u3001\u65e5\u3005\u306e\u904b\u7528\u306e\u4e2d\u3067\u5c11\u3057\u305a\u3064\u7a4d\u307f\u91cd\u306a\u308b\u4ed5\u4e8b\u306a\u306e\u3067\u3001\u8a18\u9332\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u4ef6\u6570\u3084\u5224\u65ad\u306e\u57fa\u6e96\u3092\u5f8c\u304b\u3089\u8aac\u660e\u3067\u304d\u307e\u305b\u3093\u3002Excel\u3084Word\u3067\u66f8\u304d\u8db3\u3057\u3066\u3044\u304f\u3068\u3001\u6848\u4ef6\u3054\u3068\u306b\u66f8\u304f\u9805\u76ee\u3082\u3070\u3089\u3064\u304d\u307e\u3059\u3002<a href=\"https:\/\/skilllog.jp\/?utm_source=blog&utm_medium=body_link&utm_campaign=what-is-cvss\" style=\"color:#2563eb;text-decoration:underline;\">\u30b9\u30ad\u30eb\u30ed\u30b0<\/a>\u3067\u8a18\u9332\u3059\u308b\u3068\u3001\u6b21\u306e\u70b9\u3067\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul style=\"margin:0 0 20px 0;padding-left:24px;line-height:1.9;\">\n<li>\u9805\u76ee\u304c\u305d\u308d\u3046\uff1a\u6848\u4ef6\u3054\u3068\u306b\u671f\u9593\u30fb\u5f79\u5272\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u898f\u6a21\u30fb\u30c1\u30fc\u30e0\u898f\u6a21\u30fb\u696d\u7a2e\u30fb\u62c5\u5f53\u5de5\u7a0b\u30fb\u6210\u679c\u3092\u540c\u3058\u9805\u76ee\u3067\u5165\u529b\u3059\u308b\u306e\u3067\u3001\u66f8\u304d\u6f0f\u308c\u304c\u306a\u304f\u3001\u6848\u4ef6\u3069\u3046\u3057\u3092\u6bd4\u3079\u3084\u3059\u3044<\/li>\n<li>\u4f53\u88c1\u3092\u6574\u3048\u308b\u624b\u9593\u304c\u306a\u3044\uff1a\u5165\u529b\u3057\u305f\u5185\u5bb9\u306fPDF\u51fa\u529b\u3067\u4f53\u88c1\u306e\u6574\u3063\u305f\u30b9\u30ad\u30eb\u30b7\u30fc\u30c8\u306b\u306a\u308a\u3001\u65b0\u3057\u3044\u6848\u4ef6\u3092\u8db3\u3057\u305f\u3089\u305d\u306e\u307e\u307e\u51fa\u3057\u76f4\u305b\u308b<\/li>\n<li>\u4f38\u3073\u305f\u30b9\u30ad\u30eb\u304c\u898b\u3048\u308b\uff1a\u30b9\u30ad\u30eb\u3054\u3068\u306bS\u30fbA\u30fbB\u306a\u3069\u306e\u81ea\u5df1\u8a55\u4fa1\u3068\u7d4c\u9a13\u5e74\u6570\u3092\u4e26\u3079\u3066\u78ba\u8a8d\u3067\u304d\u3001\u6b21\u306b\u4f38\u3070\u3059\u3068\u3053\u308d\u304c\u5206\u304b\u308b<\/li>\n<\/ul>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u767b\u9332\u3057\u305f\u7d4c\u6b74\u3092\u3082\u3068\u306b\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u904b\u7528\u306e\u7d4c\u9a13\u3067\u72d9\u3048\u308b\u6c42\u4eba\u3084\u6848\u4ef6\u3001\u5e74\u53ce\u3084\u5358\u4fa1\u306e\u76ee\u5b89\u3092<a href=\"#skilllog-consultation\" style=\"color:#2563eb;text-decoration:underline;\">\u8ee2\u8077\u30fb\u6848\u4ef6\u76f8\u8ac7<\/a>\u3067\u4e00\u7dd2\u306b\u78ba\u304b\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">CVSS\u3068\u306f\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u3092\u8868\u3059\u5171\u901a\u306e\u7269\u5dee\u3057\u3067\u3001\u5bfe\u5fdc\u306e\u5224\u65ad\u306b\u306f\u74b0\u5883\u3068\u60aa\u7528\u306e\u72b6\u6cc1\u3092\u52a0\u3048\u307e\u3059\u3002<\/p>\n<\/div>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">CVSS\u3068\u306f\u3001\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u30920.0\u301c10.0\u306e\u6570\u5024\u3067\u8868\u3059\u56fd\u969b\u7684\u306a\u8a55\u4fa1\u306e\u4ed5\u7d44\u307f\u3067\u30019.0\u4ee5\u4e0a\u304c\u7dca\u6025\uff08Critical\uff09\u3068\u3055\u308c\u307e\u3059\u3002\u6570\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u3067\u653b\u6483\u306e\u6761\u4ef6\u3068\u5f71\u97ff\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">v4.0\u306f2023\u5e74\u306b\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u304c\u3001v3.1\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002CVSS\u306f\u6df1\u523b\u5ea6\u306e\u6307\u6a19\u3067\u3042\u308a\u3001\u81ea\u793e\u306e\u74b0\u5883\u3001KEV\u3084EPSS\u3067\u5206\u304b\u308b\u60aa\u7528\u306e\u72b6\u6cc1\u3068\u3042\u308f\u305b\u3066\u3001\u5bfe\u5fdc\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<div style=\"margin-top:48px;margin-bottom:24px;\">\n<h2 style=\"font-size:32px;font-weight:700;border-left:6px solid #2563eb;padding-left:16px;line-height:1.5;\"><span class=\"ez-toc-section\" id=\"%E3%82%88%E3%81%8F%E3%81%82%E3%82%8B%E8%B3%AA%E5%95%8F\"><\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<div style=\"background:#eff6ff;border-left:4px solid #2563eb;padding:16px 20px;border-radius:6px;margin-bottom:24px;\">\n<p style=\"margin:0;font-size:15px;line-height:1.7;color:#1e3a5f;\">CVSS\u3068\u306f\u4f55\u304b\u3001\u3069\u3046\u4f7f\u3046\u304b\u306b\u3064\u3044\u3066\u3088\u304f\u5bc4\u305b\u3089\u308c\u308b\u8cea\u554f\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"CVSS_98%E3%81%A8%E3%81%AF%E3%81%A9%E3%81%86%E3%81%84%E3%81%86%E7%8A%B6%E6%85%8B%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\"><\/span>CVSS 9.8\u3068\u306f\u3069\u3046\u3044\u3046\u72b6\u614b\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u591a\u304f\u306e\u5834\u5408\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u3001\u6a29\u9650\u3084\u5229\u7528\u8005\u306e\u64cd\u4f5c\u306a\u3057\u306b\u653b\u6483\u3067\u304d\u3001\u5f71\u97ff\u3082\u5927\u304d\u3044\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002\u4e2d\u8eab\u306f\u30d9\u30af\u30c8\u30eb\u6587\u5b57\u5217\u3067\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CVSS%E3%81%A8CVE%E3%81%AF%E4%BD%95%E3%81%8C%E9%81%95%E3%81%84%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F\"><\/span>CVSS\u3068CVE\u306f\u4f55\u304c\u9055\u3044\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u5f79\u5272\u304c\u9055\u3044\u307e\u3059\u3002CVE\u306f\u8106\u5f31\u6027\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u756a\u53f7\u3067\u3001CVSS\u306f\u305d\u306e\u8106\u5f31\u6027\u306e\u6df1\u523b\u5ea6\u3092\u8868\u3059\u6570\u5024\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CVSS%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%AF%E3%81%A9%E3%81%93%E3%81%A7%E8%AA%BF%E3%81%B9%E3%82%89%E3%82%8C%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F\"><\/span>CVSS\u306e\u30b9\u30b3\u30a2\u306f\u3069\u3053\u3067\u8abf\u3079\u3089\u308c\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u65e5\u672c\u8a9e\u306a\u3089JVN\u3084JVN iPedia\u3001\u82f1\u8a9e\u306a\u3089\u7c73\u56fd\u306eNVD\u3084\u88fd\u54c1\u306e\u958b\u767a\u5143\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u60c5\u5831\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"v40%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%8C%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AF%E3%81%A9%E3%81%86%E3%81%99%E3%82%8C%E3%81%B0%E3%82%88%E3%81%84%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\"><\/span>v4.0\u306e\u30b9\u30b3\u30a2\u304c\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">v3.1\u306e\u30b9\u30b3\u30a2\u3067\u5224\u65ad\u3057\u3066\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u5927\u5207\u306a\u306e\u306f\u7248\u3092\u6df7\u305c\u3066\u6bd4\u3079\u306a\u3044\u3053\u3068\u3068\u3001\u81ea\u793e\u306e\u74b0\u5883\u3092\u52a0\u3048\u3066\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%B9%E3%82%B3%E3%82%A2%E3%81%8C%E4%BD%8E%E3%81%84%E8%84%86%E5%BC%B1%E6%80%A7%E3%81%AF%E6%94%BE%E7%BD%AE%E3%81%97%E3%81%A6%E3%82%88%E3%81%84%E3%81%A7%E3%81%99%E3%81%8B%EF%BC%9F\"><\/span>\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u8106\u5f31\u6027\u306f\u653e\u7f6e\u3057\u3066\u3088\u3044\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u3044\u3044\u3048\u3001\u653e\u7f6e\u306f\u304a\u3059\u3059\u3081\u3057\u307e\u305b\u3093\u3002\u6025\u304e\u306e\u5ea6\u5408\u3044\u306f\u4e0b\u304c\u308a\u307e\u3059\u304c\u3001\u8a08\u753b\u7684\u306a\u66f4\u65b0\u306e\u4e2d\u3067\u5bfe\u5fdc\u3057\u3001\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3089\u512a\u5148\u5ea6\u3092\u4e0a\u3052\u307e\u3057\u3087\u3046\u3002<\/p>\n<p style=\"margin:0 0 20px 0;line-height:1.9;\">\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u3092\u8e0f\u307e\u3048\u3066\u3001\u307e\u305a\u306f\u30b9\u30ad\u30eb\u30ed\u30b0\u306b\u7121\u6599\u3067\u767b\u9332\u3057\u3001\u3053\u308c\u307e\u3067\u306b\u5bfe\u5fdc\u3057\u305f\u8106\u5f31\u6027\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u4e8b\u30921\u4ef6\u3001\u5224\u65ad\u306e\u57fa\u6e96\u3068\u7d50\u679c\u307e\u3067\u5165\u529b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7d4c\u9a13\u3092\u751f\u304b\u3057\u305f\u4ed5\u4e8b\u3092\u63a2\u3057\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"#skilllog-consultation\" style=\"color:#2563eb;text-decoration:underline;\">\u8ee2\u8077\u30fb\u6848\u4ef6\u76f8\u8ac7<\/a>\u3067\u4e00\u7dd2\u306b\u78ba\u304b\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<div style=\"clear:both;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin:32px 0;padding:8px 0;line-height:1.6;\"><a href=\"https:\/\/skilllog.jp\/users\/sign_up?utm_source=blog&utm_medium=article&utm_campaign=what-is-cvss\" style=\"background:#2563eb;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u7d4c\u6b74\u3092\u7121\u6599\u3067\u8a18\u9332\u3059\u308b<\/a><a href=\"#skilllog-consultation\" style=\"background:#06c755;color:#ffffff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:700;text-align:center;white-space:nowrap;display:inline-block;line-height:1.4;\">\u8ee2\u8077\u30fb\u6848\u4ef6\u76f8\u8ac7\u3092\u3059\u308b<\/a><\/div>\n<div style=\"margin-top:48px;\"><a href=\"https:\/\/skilllog.jp\/?utm_source=blog&utm_medium=footer_banner&utm_campaign=what-is-cvss&utm_content=random_banner\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" src=\"https:\/\/skilllog.jp\/blog\/wp-content\/uploads\/2026\/04\/\u30b9\u30ad\u30eb\u30ed\u30b0-2.png\" alt=\"\u30b9\u30ad\u30eb\u30ed\u30b0\" style=\"width:100%;height:auto;border-radius:12px;\" \/><\/a><\/div>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"CVSS 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CLUSTER_LINKS_START --><\/p>\n<div style=\"margin:24px 0;padding:20px;background:#f8fafc;border-radius:8px;\">\n<p><strong>\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/vulnerability-response-process\/\">\u8106\u5f31\u6027\u5bfe\u5fdc\u306e\u9032\u3081\u65b9\uff5c\u60c5\u5831\u53ce\u96c6\u304b\u3089\u5f71\u97ff\u7bc4\u56f2\u306e\u78ba\u8a8d\u30fb\u512a\u5148\u9806\u4f4d\u30fb\u66ab\u5b9a\u5bfe\u5fdc\u30fb\u8a18\u9332\u307e\u3067\u306e6\u30b9\u30c6\u30c3\u30d7<\/a><\/li>\n<li><a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-sbom\/\">SBOM\u3068\u306f\uff1f\u610f\u5473\u30fb\u30e1\u30ea\u30c3\u30c8\u30fb\u4f5c\u308a\u65b9\u3068\u7d4c\u6e08\u7523\u696d\u7701\u306e\u624b\u5f15\u304d\u3001SPDX\u3068CycloneDX\u306e\u9055\u3044\u3092\u89e3\u8aac<\/a><\/li>\n<li><a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/zero-day-attack\/\">\u30bc\u30ed\u30c7\u30a4\u653b\u6483\u3068\u306f\uff1f\u30bc\u30ed\u30c7\u30a4\u8106\u5f31\u6027\u3068\u306e\u95a2\u4fc2\u30fbN\u30c7\u30a4\u653b\u6483\u3068\u306e\u9055\u3044\u3068\u4f01\u696d\u304c\u3068\u308c\u308b\u5bfe\u7b56\u3092\u89e3\u8aac<\/a><\/li>\n<li><a href=\"https:\/\/skilllog.jp\/blog\/2026\/11\/10\/what-is-cve\/\">CVE\u3068\u306f\uff1fCVE\u756a\u53f7\u306e\u8aad\u307f\u65b9\u3068CVSS\u30fbCWE\u30fbJVN\u3068\u306e\u9055\u3044\u3001\u8abf\u3079\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/a><\/li>\n<\/ul>\n<\/div>\n<p><!-- CLUSTER_LINKS_END 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