{"id":186233,"date":"2026-03-13T10:23:49","date_gmt":"2026-03-13T14:23:49","guid":{"rendered":"https:\/\/pureinfotech.com\/?p=186233"},"modified":"2026-03-13T10:23:49","modified_gmt":"2026-03-13T14:23:49","slug":"kb5079466-build-28000-1719-for-windows-11-26h1","status":"publish","type":"post","link":"https:\/\/pureinfotech.com\/kb5079466-build-28000-1719-for-windows-11-26h1\/","title":{"rendered":"KB5079466 (build 28000.1719) for Windows 11 26H1 drops as the March 2026 update"},"content":{"rendered":"<ul class=\"sum\">\n<li>Windows 11 build 28000.1719 (KB5079466) arrives as the second cumulative update version 26H1.<\/li>\n<li>This release includes fixes, improvements, and changes for specific computers.<\/li>\n<li>Windows 11 26H1 will be exclusively availble on new devices with specific processors, and not for existing PCs.<\/li>\n<\/ul>\n<p>Microsoft has made available the <strong>Windows 11 build 28000.1719\u00a0(KB5079466)<\/strong> <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">as the March 2026 update for devices running version 26H1.<\/span><\/p>\n<p><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">According to the\u00a0<span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">changelog, the\u00a0<strong>&#8220;2026-03 Security Update (KB5079466) (28000.1719)&#8221;<\/strong> includes only several fixes and improvements related to Secure Boot, Windows Defender Application Control, and Windows System Image Manager.<\/span><\/span><\/p>\n<p>It&#8217;s worth noting that Windows 11 26H1 is not a version for current devices. Microsoft has explicitly stated that version 26H1 is not an upgrade path for Windows 11 25H2 or earlier releases.<\/p>\n<p>According to the company&#8217;s newly published <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows\/release-health\/status-windows-11-26h1\" target=\"_blank\" rel=\"noopener\"><strong>Microsoft Health Dashboard page<\/strong><\/a>, version 26H1 <q class=\"inline-quote\">is a hardware-optimized release designed to enable next-generation silicon developed in partnership with device manufacturers and silicon partners. This release will be available exclusively as a preinstalled experience on select new devices beginning in early 2026, with capabilities tailored specifically for those platforms.<\/q><\/p>\n<p>Microsoft is referring to the new ARM64 PCs, starting with devices powered by the Snapdragon X2 Plus, Elite, and Extreme processors. If you own a computer running on Intel or AMD hardware, Windows 11 26H1 will never be offered to your system.<\/p>\n<section class=\"custom-related-posts-wrapper\"><span class=\"custom-related-posts-heading\">Related<\/span><div class=\"custom-related-posts-container\"><a href=\"https:\/\/pureinfotech.com\/kb5077179-build-28000-1575-windows-11-26h1\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"KB5077179 (build 28000.1575) for Windows 11 26H1 drops as the February 2026 update\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/kb5077179-windows-11-26h1-update-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"KB5077179 (build 28000.1575) for Windows 11 26H1 drops as the February 2026 update\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">KB5077179 (build 28000.1575) for Windows 11 26H1 drops as the February 2026 update<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/kb5079473-windows-11-march-2026-update\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"KB5079473 (build 26200.8037) for Windows 11 drops as the March 2026 update\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/kb5079473-windows-11-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"KB5079473 (build 26200.8037) for Windows 11 drops as the March 2026 update\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">KB5079473 (build 26200.8037) for Windows 11 drops as the March 2026 update<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/windows-11-feature-history-2026\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"Windows 11 feature history for 2026: every change, month by month\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/windows-11-feature-tracker-2026-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"Windows 11 feature history for 2026: every change, month by month\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">Windows 11 feature history for 2026: every change, month by month<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/kb5075912-windows-10-esu-february-2026-update\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/kb5075912-windows-10-february-update-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update<\/span><\/a><\/div><\/section>\n<ul class=\"toc\">\n<li><a href=\"#windows11_24h2\">What&#8217;s new on Windows 11 25H2 and 24H2 update KB5079466<\/a><\/li>\n<li><a href=\"#patch_tuesday_install\">Windows 11 March 2026 Patch Tuesday \u2013 Manual installation process<\/a><\/li>\n<li><a href=\"#update_history\">Windows 11 March 2026 Patch Tuesday \u2013 Update history<\/a><\/li>\n<\/ul>\n<div id=\"tip-box\"><span><strong>Important:<\/strong> Usually, <strong>Microsoft doesn&#8217;t release new features immediately<\/strong>. When a feature is announced as part of an update, it usually signals the start of a <strong>gradual rollout using the <a href=\"https:\/\/pureinfotech.com\/whats-control-feature-rollout-cfr-windows-11\/\">Controlled Feature Rollout (CFR)<\/a> technology<\/strong>. Availability can vary based on region, hardware, and software configuration. For instance, some features take longer to reach users in Europe due to regulatory requirements.<\/span><\/div>\n<h2 id=\"windows11_24h2\">What&#8217;s new on Windows 11 26H1 update KB5079466<\/h2>\n<p>Microsoft is currently rolling out these improvements and fixes as part of the March 2026 Security Update for Windows 11 26H1.<\/p>\n<ul>\n<li><strong>Windows System Image Manager:<\/strong> Improves the reliability of selecting trusted catalog files by adding a warning dialog that helps confirm the chosen file comes from a trusted source.<\/li>\n<li><strong>Windows Defender Application Control:<\/strong> Improves how WDAC handles COM object allowlisting policies. Previously, COM objects were blocked when the endpoint security policy was set higher than the allowlisting policy, and with this update, COM objects are allowed as expected.<\/li>\n<\/ul>\n<p>Finally, this update continues the rollout of the 2023 Secure Boot certificates for devices with the 2011 certificates expiring in June 2026. You can also <a href=\"https:\/\/pureinfotech.com\/install-secure-boot-certificates-windows-11\/\">apply the Secure Boot certificates manually<\/a> with these instructions.<\/p>\n<h2 id=\"patch_tuesday_install\">Windows 11 March 2026 Patch Tuesday \u2013 Manual installation process<\/h2>\n<p>Since there&#8217;s always a chance of problems during and after applying a quality update, it&#8217;s recommended to prepare your computer by <a href=\"https:\/\/pureinfotech.com\/avoid-windows-11-update-problems\/\"><strong>creating a restore point and a full backup<\/strong><\/a> before proceeding with the installation.<\/p>\n<p>To download and install this Windows 11 update, open the &#8220;Windows Update&#8221; settings<span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">\u00a0and click<\/span>\u00a0the <strong>&#8220;Check for Updates&#8221;<\/strong> button.<\/p>\n<p>If your computer has issues after installing this package, follow these instructions to <a href=\"https:\/\/pureinfotech.com\/uninstall-update-windows-11\/\">uninstall the March 2026 update<\/a>. If you&#8217;re unable to uninstall the update, <strong><a href=\"https:\/\/pureinfotech.com\/avoid-windows-11-update-problems\/\">follow these steps to recover your device<\/a><\/strong>.<\/p>\n<p>The update will download and install automatically. However, you can also apply it manually by <a href=\"https:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=KB5079466\" target=\"_blank\" rel=\"noopener\">downloading the update KB5079466 from the Update Catalog website<\/a>.<\/p>\n<h2 id=\"update_history\">Windows 11 March 2026 Patch Tuesday \u2013 Update history<\/h2>\n<ul>\n<li><strong>Final Release \u2013 Patch Tuesday (Stable Channel):<\/strong>\n<ul>\n<li>Windows 11 26H1 build 28000.1719 release date: March 10, 2026. <strong><a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/march-10-2026-kb5079466-os-build-28000-1719-dd4f1c26-f8ac-4803-8ea7-059f0335a1f9\" target=\"_blank\" rel=\"noopener\">Official notes<\/a>.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The March 2026 update for version 26H1 is out, but it&#8217;s for a version of Windows 11 that virtually no device is getting.<\/p>\n","protected":false},"author":2,"featured_media":186288,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[10,23],"tags":[2715,2747],"class_list":["post-186233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-windows","tag-windows-11","tag-windows-update"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KB5079466 (build 28000.1719) for Windows 11 26H1 drops as the March 2026 update - Pureinfotech<\/title>\n<meta name=\"description\" content=\"KB5079466 (build 28000.1719) for Windows 11 26H1 releases with fixes and improvements, and here&#039;s what you need to know.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pureinfotech.com\/kb5079466-build-28000-1719-for-windows-11-26h1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows 11 26H1 receives its first public update (KB5079466)\" \/>\n<meta property=\"og:description\" content=\"KB5079466 (build 28000.1719) for Windows 11 26H1 releases with fixes and improvements, and here&#039;s what you need to know.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pureinfotech.com\/kb5079466-build-28000-1719-for-windows-11-26h1\/\" \/>\n<meta property=\"og:site_name\" content=\"Pureinfotech \u2022 Windows 10 &amp; 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