{"id":133878,"date":"2026-04-15T10:16:04","date_gmt":"2026-04-15T01:16:04","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=133878"},"modified":"2026-04-15T10:16:04","modified_gmt":"2026-04-15T01:16:04","slug":"windows-11-kb5083769","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-11-kb5083769\/","title":{"rendered":"Windows 11\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0KB5083769\u304c\u516c\u958b - 2026\u5e744\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u3001Secure Boot \u8a3c\u660e\u66f8\u66f4\u65b0\u306e\u53ef\u8996\u5316\u3068\u4fe1\u983c\u6027\u5411\u4e0a"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/s_20260415-_095811.webp\" alt=\"\" width=\"1246\" height=\"779\" class=\"aligncenter size-full wp-image-133879\" \/><\/p>\n<p>Microsoft\u306f4\u670814\u65e5(\u73fe\u5730\u6642\u9593)\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 11 Version 25H2\/24H2\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/april-14-2026-kb5083769-os-builds-26200-8246-and-26100-8246-22f90ae5-9f26-40ac-9134-6a586a71163b\">KB5083769<\/a>\u3092\u516c\u958b\u3057\u307e\u3057\u305f<\/p>\n<p>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u4e3b\u306b\u30b7\u30b9\u30c6\u30e0\u306e\u54c1\u8cea\u3092\u6539\u5584\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u304c\u3001Windows Update\u307e\u305f\u306fMicrosoft Update Catalog\u3092\u5229\u7528\u3057\u3066\u624b\u52d5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u306e\u5909\u66f4\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059(\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>April 14, 2026\u2014KB5083769 (OS Builds 26200.8246 and 26100.8246)<\/h2>\n<p>Windows 11 Version 25H2\/24H2\u7528\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/april-14-2026-kb5083769-os-builds-26200-8246-and-26100-8246-22f90ae5-9f26-40ac-9134-6a586a71163b\">KB5083769<\/a>\u306b\u306f\u3001KB5079473(2026\u5e743\u670810\u65e5\u516c\u958b)\u3001KB5085516(2026\u5e743\u670821\u65e5\u516c\u958b)\u3001 KB5079391(2026\u5e743\u670826\u65e5\u30ea\u30ea\u30fc\u30b9\u3002\u63d0\u4f9b\u7d42\u4e86)\u3001KB5086672(2026\u5e743\u670831\u65e5\u516c\u958b)\u3067\u884c\u308f\u308c\u305f\u4fee\u6b63\u3084\u54c1\u8cea\u6539\u5584\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u306b\u52a0\u3048\u3001Secure Boot\u8a3c\u660e\u66f8\u66f4\u65b0\u306e\u53ef\u8996\u5316\u3068\u4fe1\u983c\u6027\u5411\u4e0a(Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30d7\u30ea\u3067\u8a3c\u660e\u66f8\u66f4\u65b0\u306e\u72b6\u614b\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b)\u3001SMB over QUIC\u306e\u5727\u7e2e\u51e6\u7406\u306e\u5b89\u5b9a\u5316\u3001.rdp\u30d5\u30a1\u30a4\u30eb\u7d4c\u7531\u306e\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u5bfe\u7b56\u306e\u5f37\u5316\u3001\u300c\u3053\u306ePC\u3092\u30ea\u30bb\u30c3\u30c8\u300d\u6a5f\u80fd\u306e\u4e0d\u5177\u5408\u306e\u4fee\u6b63\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>[Secure Boot]<\/b><\/p>\n<ul>\n<li>\n<p><i><b>New!<\/b><span>\u00a0<\/span><\/i>The status of Secure Boot certificate updates on your device may be displayed in the Windows Security app (Settings\u00a0&gt; Privacy &amp; security\u00a0&gt; Windows Security).<span>\u00a0<\/span><a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/secure-boot-certificate-update-status-in-the-windows-security-app-5ce39986-7dd2-4852-8c21-ef30dd04f046\">Learn more<\/a>\u00a0about the status alerts via badges and notifications. These enhancements are disabled by default on commercial devices.<\/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<li>\n<p>This update addresses an issue where the device might enter BitLocker Recovery after the Secure Boot updates.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Networking]<\/b><span>\u00a0<\/span>This update improves reliability when Windows uses SMB compression over QUIC. After you install this update, SMB compression requests over QUIC complete more consistently, reducing the likelihood of timeouts and supporting smoother, more dependable performance. \u00a0\u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/p>\n<\/li>\n<li>\n<p><b>[Remote Desktop]<\/b>\u00a0This update improves protection against phishing attacks that use Remote Desktop (.rdp) files. When you open an .rdp file, Remote Desktop shows all requested connection settings before it connects, with each setting turned off by default. A one-time security warning also appears the first time you open an .rdp file on a device. For more information, see<span>\u00a0<\/span><a href=\"https:\/\/go.microsoft.com\/fwlink\/?linkid=2347342\">Understanding security warnings when opening Remote Desktop (RDP) files<\/a>.\u00a0<\/p>\n<\/li>\n<li>\n<p><b>[Reset this PC (known issue)]<\/b>\u00a0Fixed: This update addresses an issue that might\u00a0cause device reset to fail when using the \u201cKeep my files\u201d or \u201cRemove everything\u201d options. This might occur after\u00a0installing the March 2026 (<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/march-10-2026-hotpatch-kb5079420-os-builds-26200-7979-and-26100-7979-752485e9-41c1-4628-ad1a-7538dba503e3\">KB5079420<\/a>) Hotpatch security update.<\/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\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u304c1\u4ef6\u5b58\u5728\u3057\u307e\u3059\u3002\u305d\u306e\u5185\u5bb9\u306f\u300c\u63a8\u5968\u3055\u308c\u3066\u3044\u306a\u3044BitLocker\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u69cb\u6210\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3001BitLocker\u56de\u5fa9\u30ad\u30fc\u306e\u5165\u529b\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u3082\u306e\u3067\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= KB5083769\">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\u306f4\u670814\u65e5(\u73fe\u5730\u6642\u9593)\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 11 Version 25H2\/24H2\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5083769\u3092\u516c\u958b\u3057\u307e\u3057\u305f \u66f4\u65b0\u30d7 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":133879,"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-133878","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\/133878","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=133878"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133878\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/133879"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=133878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=133878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=133878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}