{"id":135069,"date":"2026-07-16T08:44:49","date_gmt":"2026-07-15T23:44:49","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=135069"},"modified":"2026-07-16T08:44:49","modified_gmt":"2026-07-15T23:44:49","slug":"windows11-secureboot-shim-revocation","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows11-secureboot-shim-revocation\/","title":{"rendered":"Windows 11 KB5101650\/KB5094126\u306710\u5e74\u4ee5\u4e0a\u653e\u7f6e\u3055\u308c\u3066\u3044\u305f\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306e\u300c\u6b74\u53f2\u7684\u6b20\u9665\u300d\u304c\u3088\u3046\u3084\u304f\u4fee\u6b63"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/07\/secure_boot.webp\" alt=\"\" width=\"1280\" height=\"801\" class=\"aligncenter size-full wp-image-135070\" \/><\/p>\n<p>Microsoft\u306f Windows 11\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-11\/2026\/07\/july-14-2026-kb5101650-os-builds-26200-8875-and-26100-8875\">KB5101650<\/a> \/ <a href=\"https:\/\/softantenna.com\/blog\/windows-11-version-25h2-24h2-kb5094126-monthly\/\">KB5094126<\/a>\u3067\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306b\u95a2\u3059\u308b\u91cd\u5927\u306a\u554f\u984c\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u8d77\u52d5\u6642\u306b\u4fe1\u983c\u3067\u304d\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3060\u3051\u304c\u52d5\u304f\u3088\u3046\u306b\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3001Microsoft\u306eUEFI\u8a3c\u660e\u66f8\u3092\u4f7f\u3063\u3066\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u306e\u7f72\u540d\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002\u3053\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u306e\u4e2d\u306b\u3001\u53e4\u3044\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u304c\u6b8b\u3063\u3066\u3044\u305f\u3053\u3068\u304c\u4eca\u56de\u306e\u554f\u984c\u306e\u539f\u56e0\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2>\u554f\u984c\u306e\u6838\u5fc3: \u53e4\u3044\u300cshim\u300d\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u304c\u305a\u3063\u3068\u4fe1\u983c\u3055\u308c\u3066\u3044\u305f<\/h2>\n<p><a href=\"https:\/\/www.welivesecurity.com\/en\/eset-research\/forgotten-uefi-shims-undermining-secure-boot\/\">ESET<\/a>\u306e\u7814\u7a76\u8005\u304c\u767a\u898b\u3057\u305f\u306e\u306f\u3001Linux\u74b0\u5883\u3067\u4f7f\u308f\u308c\u308bMicrosoft\u7f72\u540d\u4ed8\u304d\u306e\u300cshim\u300d\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u306e\u3046\u3061\u30012015\u5e74\u4ee5\u524d\u306e\u53e4\u304411\u7a2e\u985e(v0.9\u4ee5\u524d)\u304c\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3067\u4fe1\u983c\u3055\u308c\u305f\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u305f\u3068\u3044\u3046\u4e8b\u5b9f\u3067\u3059\u3002<\/p>\n<p class=\"is-style-icon_info\">shim\u306fLinux\u3092\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u5bfe\u5fdc\u306b\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u3067\u3059<\/p>\n<p>\u3053\u308c\u3089\u306e\u53e4\u3044shim\u306f\u3001SBAT(Secure Boot Advanced Targeting)\u3084MOK(Machine Owner Key)\u306b\u3088\u308b\u62d2\u5426\u30ea\u30b9\u30c8\u3068\u3044\u3063\u305f\u8fd1\u5e74\u306e\u9632\u5fa1\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u653b\u6483\u8005\u304c\u3001\u8106\u5f31\u306a\u53e4\u3044shim\u3092\u81ea\u5206\u3067\u6301\u3061\u8fbc\u3080\u3060\u3051\u3067\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u3092\u3059\u308a\u629c\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u30ea\u30b9\u30af\u304c\u5b58\u5728\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u300cBYOVB(Bring Your Own Vulnerable Bootloader)\u300d\u3068\u547c\u3070\u308c\u308b\u5178\u578b\u7684\u306a\u653b\u6483\u624b\u6cd5\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u306a\u305c10\u5e74\u4ee5\u4e0a\u6c17\u3065\u304b\u308c\u306a\u304b\u3063\u305f\u306e\u304b<\/h2>\n<p>\u4eca\u56de\u306e\u554f\u984c\u306fWindows 11\u305d\u306e\u3082\u306e\u306e\u6b20\u9665\u3067\u306f\u306a\u304f\u3001<strong>\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306e\u4fe1\u983c\u30c1\u30a7\u30fc\u30f3\u306e\u7ba1\u7406\u304c\u9577\u5e74\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f<\/strong>\u3053\u3068\u306b\u8d77\u56e0\u3057\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306ePC\u306f\u4eca\u3082\u300cMicrosoft Corporation UEFI CA 2011\u300d\u8a3c\u660e\u66f8\u3092\u4fe1\u983c\u3057\u3066\u304a\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u53e4\u3044shim\u304c\u300c\u6709\u52b9\u306a\u7f72\u540d\u300d\u3092\u3082\u3064\u3068\u3057\u3066\u6271\u308f\u308c\u7d9a\u3051\u3066\u3044\u307e\u3057\u305f\u3002\u4ed5\u7d44\u307f\u306e\u53e4\u3055\u3068\u4e92\u63db\u6027\u7dad\u6301\u306e\u305f\u3081\u306e\u8a2d\u8a08\u304c\u3001\u9577\u671f\u7684\u306b\u8106\u5f31\u6027\u3092\u6e29\u5b58\u3057\u3066\u3057\u307e\u3063\u305f\u308f\u3051\u3067\u3059\u3002<\/p>\n<h2>Microsoft\u306e\u5bfe\u5fdc\uff1a\u8106\u5f31\u306ashim\u3092\u6b63\u5f0f\u306b\u5931\u52b9<\/h2>\n<p>ESET\u306f2026\u5e742\u6708\u306bCERT\/CC\u3078\u3053\u306e\u554f\u984c\u3092\u5831\u544a\u3057\u3001Microsoft\u306f11\u7a2e\u985e\u306eshim\u3092UEFI Forbidden Signature Database(DBX)\u306b\u8ffd\u52a0\u3057\u3066\u5931\u52b9\u3055\u305b\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u66f4\u65b0\u306fWindows 11\u306e6\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5094126\u3068\u30017\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5101650\u306b\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u6700\u65b0\u306e\u7d2f\u7a4d\u66f4\u65b0\u3092\u9069\u7528\u3059\u308c\u3070\u5bfe\u7b56\u306f\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u3061\u3087\u3046\u30692026\u5e746\u6708\u306f\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u8a3c\u660e\u66f8\u304c15\u5e74\u306e\u6709\u52b9\u671f\u9650\u3092\u8fce\u3048\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3082\u3042\u308a\u3001Microsoft\u304c\u65b0\u3057\u3044\u8a3c\u660e\u66f8\u4f53\u7cfb\u3078\u79fb\u884c\u3092\u9032\u3081\u3066\u3044\u308b\u6d41\u308c\u3068\u3082\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306e\u4fee\u6b63\u306f\u3001\u5358\u306a\u308b\u8106\u5f31\u6027\u30d1\u30c3\u30c1\u3067\u306f\u306a\u304f\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306e\u9577\u5e74\u306e\u69cb\u9020\u7684\u306a\u554f\u984c\u3092\u662f\u6b63\u3059\u308b\u5927\u304d\u306a\u4e00\u6b69\u3067\u3059\u3002\u53e4\u3044\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u304c\u4fe1\u983c\u3055\u308c\u7d9a\u3051\u308b\u3068\u3044\u3046\u6b74\u53f2\u7684\u8ca0\u50b5\u304c\u3088\u3046\u3084\u304f\u89e3\u6d88\u3055\u308c\u3001\u4eca\u5f8c\u306fSBAT\u306a\u3069\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u3088\u308a\u7d30\u304b\u304f\u5b89\u5168\u306b\u30d6\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u306e\u4e16\u4ee3\u7ba1\u7406\u304c\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>[via <a href=\"https:\/\/www.neowin.net\/news\/windows-11-kb5101650-kb5094126-fixes-major-flaw-that-went-unnoticed-for-over-10-years\/\/\">Neowin<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f Windows 11\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5101650 \/ KB5094126\u3067\u3001\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306b\u95a2\u3059\u308b\u91cd\u5927\u306a\u554f\u984c\u3092\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002 \u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u306f\u8d77\u52d5\u6642\u306b\u4fe1\u983c\u3067\u304d\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3060\u3051\u304c\u52d5\u304f\u3088\u3046\u306b\u3059\u308b [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":135070,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,4387],"class_list":["post-135069","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=135069"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135069\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/135070"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=135069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=135069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=135069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}