{"id":135431,"date":"2026-08-12T08:54:56","date_gmt":"2026-08-11T23:54:56","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=135431"},"modified":"2026-08-12T08:54:56","modified_gmt":"2026-08-11T23:54:56","slug":"windows-10-version-22h2-21h2-kb5120249-monthly","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-10-version-22h2-21h2-kb5120249-monthly\/","title":{"rendered":"Windows 10\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5120249\u304c\u516c\u958b - 2026\u5e748\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u3002\u30d5\u30a1\u30a4\u30eb\u5c65\u6b74\u306e\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u5931\u6557\u3059\u308b\u4e0d\u5177\u5408\u306e\u4fee\u6b63\u306a\u3069"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2017\/09\/Iwindows-10-logo.jpg\" alt=\"Windows 10 logo\" title=\"windows-10-logo.jpg\" border=\"0\" width=\"1358\" height=\"740\" \/><\/p>\n<p>Microsoft\u306f\u672c\u65e5\u3001\u6bce\u6708\u7c73\u56fd\u6642\u9593\u306e\u7b2c2\u706b\u66dc\u65e5\u306b\u63d0\u4f9b\u3057\u3066\u3044\u308b\u6708\u4f8b\u66f4\u65b0\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001Windows 10\u306e\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u305d\u308c\u305e\u308c\u516c\u958b\u3057\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>Windows 10 Version 20H2\/21H1\/21H2\/22H2: <a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-10\/2026\/08\/kb5120249-windows-10-21h2-22h2-security-update\">KB5120249<\/a><\/li>\n<li>Windows 10 Version 1909: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 Version 1903: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 Version 1809: <a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-10\/2026\/08\/kb5120238-windows-10-1809-security-update\">KB5120238<\/a><\/li>\n<li>Windows 10 version 1803: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 version 1709: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 version 1703: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 version 1607: <a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-10\/2026\/08\/kb5120418-windows-10-1607-security-update\">KB5120418<\/a><\/li>\n<li>Windows 10 Version 1511: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<li>Windows 10 Version 1507: <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/end-of-service-statement-e440a698-de79-4ace-b53b-5a6a3e36685e\">EOS<\/a><\/li>\n<\/ul>\n<p>\u305d\u308c\u305e\u308cWindows Update\u307e\u305f\u306fMicrosoft Update Catalog\u3092\u5229\u7528\u3057\u3066\u5c0e\u5165\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3001\u5909\u66f4\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059(\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u5185\u5bb9\u306f<a href=\"https:\/\/www.microsoft.com\/en-us\/msrc\/blog\/category?cat=Japan%20Security%20Team\">\u65e5\u672cMicrosoft\u306e\u30d6\u30ed\u30b0<\/a>\u3067\u53c2\u7167\u3067\u304d\u307e\u3059)\u3002<\/p>\n<h2>August 11, 2026\u2014KB5120249 (OS Builds 19045.7663 and 19044.7663)<\/h2>\n<p>Windows 10 Version 22H2\/21H2\u7528\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-10\/2026\/08\/kb5120249-windows-10-21h2-22h2-security-update\">KB5120249<\/a>\u3067\u306f\u30017\u670814\u65e5\u306b\u516c\u958b\u3055\u308c\u305f<a href=\"https:\/\/support.microsoft.com\/en-US\/servicing\/os\/windows-10\/2026\/07\/july-14-2026-kb5099539-os-builds-19045-7548-and-19044-7548\">KB5099539<\/a>\u306e\u5185\u5bb9\u306b\u52a0\u3048\u3001\u30d5\u30a1\u30a4\u30eb\u5c65\u6b74\u306e\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304cSMB\u7d4c\u7531\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5171\u6709\u306b\u4fdd\u5b58\u3055\u308c\u308b\u5834\u5408\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u4e0d\u5177\u5408\u304c\u4fee\u6b63\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u30bb\u30ad\u30e5\u30a2\u30d6\u30fc\u30c8\u95a2\u9023\u306e\u66f4\u65b0\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<h3>\u6539\u826f\u3068\u4fee\u6b63<\/h3>\n<blockquote>\n<ul>\n<li>\n<strong>[Backup]<\/strong> File History automatic backups to network shares using Server Message Block (SMB) might fail with an incorrect \"invalid credentials\" error. When this issue occurs, scheduled backups do not copy any files. This update resolves the issue.<\/li>\n<li>\n<strong>[Secure Boot]<\/strong> This update includes additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new Secure Boot certificates. Certificate deployment via Windows updates continues across supported PCs and non-managed business devices in the coming months.<\/li>\n<\/ul>\n<\/blockquote>\n<h3>\u65e2\u77e5\u306e\u4e0d\u5177\u5408<\/h3>\n<p>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306fWindows Update\u306e\u4ed6\u3001<a href=\"https:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=KB5120249\">Microsoft Update Catalog<\/a>\u3001Windows Server Update Services(WSUS)\u3092\u5229\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f\u672c\u65e5\u3001\u6bce\u6708\u7c73\u56fd\u6642\u9593\u306e\u7b2c2\u706b\u66dc\u65e5\u306b\u63d0\u4f9b\u3057\u3066\u3044\u308b\u6708\u4f8b\u66f4\u65b0\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001Windows 10\u306e\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5bfe\u3059\u308b\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u305d\u308c\u305e\u308c\u516c\u958b\u3057\u307e\u3057\u305f\u3002 Windows 10 Version 20H2\/2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":53492,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4315,3298,2701],"class_list":["post-135431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-kb","tag-windows","tag-windows10"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135431","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=135431"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/135431\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/53492"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=135431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=135431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=135431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}