{"id":134242,"date":"2026-05-13T10:08:11","date_gmt":"2026-05-13T01:08:11","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=134242"},"modified":"2026-05-13T10:08:11","modified_gmt":"2026-05-13T01:08:11","slug":"windows-10-kb5087544-monthly","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-10-kb5087544-monthly\/","title":{"rendered":"Windows 10\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5087544\u304c\u516c\u958b - 2026\u5e745\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u554f\u984c\u304c\u4fee\u6b63"},"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\/topic\/may-12-2026-kb5087544-os-builds-19045-7291-and-19044-7291-579dfaac-2664-45cc-9bd8-e6999fcc8836\">KB5087544<\/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\/topic\/may-12-2026-kb5087538-os-build-17763-8755-d46cf25a-18fd-4909-aac7-05a490880901\">KB5087538<\/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\/topic\/may-12-2026-kb5087537-os-build-14393-9140-2ef98591-73f0-4517-9fa0-12764b51858f\">KB5087537<\/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>May 12, 2026\u2014KB5087544 (OS Builds 19045.7291 and 19044.7291)<\/h2>\n<p>Windows 10 ESU\u3001Windows 10 Enterprise LTSC 2021,Windows 10 IoT Enterprise LTSC 2021\u7528\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/may-12-2026-kb5087544-os-builds-19045-7291-and-19044-7291-579dfaac-2664-45cc-9bd8-e6999fcc8836\">KB5087544<\/a>\u3067\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u554f\u984c\u306e\u4fee\u6b63\u304c\u884c\u308f\u308c\u305f\u307b\u304b\u3001Secure Boot\u306e\u72b6\u614b\u3092Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30d7\u30ea\u3067\u52d5\u7684\u306b\u5831\u544a\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u6539\u5584\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<blockquote>\n<ul>\n<li>\n<p><b>[Remote Desktop security warnings (known issue)]<\/b><span>\u00a0<\/span>Fixed: The Remote Desktop Connection security warning dialog might render incorrectly in multi-monitor configurations with different display scaling settings. This issue might occur after installing the Windows security update released on April 14, 2026 (<a href=\"https:\/\/support.microsoft.com\/topic\/7184-4fa6421d-5c52-4aa1-ace0-647647282000\">KB5082200<\/a>).<\/p>\n<\/li>\n<li>\n<p><b>[Secure Boot]<\/b><\/p>\n<ul>\n<li>\n<p>This update enables dynamic status reporting for Secure Boot states in Windows Security App.<\/p>\n<\/li>\n<li>\n<p>With this update, Windows quality updates include additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new Secure Boot certificates. Devices receive the new certificates only after demonstrating sufficient successful update signals, maintaining a controlled and phased rollout.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Daylight Savings Time]<\/b><span>\u00a0<\/span>Update for Arab Republic of Egypt to support the government DST change order in 2023.<\/p>\n<\/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\u3001\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044BitLocker\u306e\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u69cb\u6210\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3001BitLocker\u306e\u56de\u5fa9\u30ad\u30fc\u5165\u529b\u304c\u6c42\u3081\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u304c1\u4ef6\u5b58\u5728\u3057\u307e\u3059\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=KB5087544\">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-134242","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\/134242","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=134242"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134242\/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=134242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=134242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=134242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}