{"id":329364,"date":"2026-09-09T00:02:22","date_gmt":"2026-09-08T22:02:22","guid":{"rendered":"https:\/\/borncity.com\/blog\/?p=329364"},"modified":"2026-09-09T00:23:20","modified_gmt":"2026-09-08T22:23:20","slug":"patchday-windows-server-updates-8-september-2026","status":"publish","type":"post","link":"https:\/\/borncity.com\/blog\/2026\/09\/09\/patchday-windows-server-updates-8-september-2026\/","title":{"rendered":"Patchday: Windows Server-Updates (8. September 2026)"},"content":{"rendered":"<p><img decoding=\"async\" style=\"float: left; margin: 0px 10px 0px 0px; display: inline;\" title=\"Windows\" src=\"https:\/\/borncity.com\/blog\/wp-content\/uploads\/2021\/04\/Windows-klein.jpg\" alt=\"Windows\" width=\"200\" align=\"left\" \/>Zum 8. September 2026 (zweiter Dienstag im Monat, Patchday bei Microsoft) wurden verschiedene kumulative Updates f\u00fcr die unterst\u00fctzten Versionen von Windows Server freigegeben. Nachfolgend habe ich die bereitgestellten Updates samt einigen Details f\u00fcr diese Windows Server-Versionen herausgezogen.<\/p>\n<p><!--more--><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vg02.met.vgwort.de\/na\/f74530198dae486e987dcd2812cca072\" alt=\"\" width=\"1\" height=\"1\" \/>Die nachfolgend aufgef\u00fchrten Updates beheben die in <a href=\"https:\/\/borncity.com\/blog\/2026\/09\/08\/microsoft-security-update-summary-8-september-2026\/\">Microsoft Security Update Summary<\/a> (8. September 2026) beschriebenen und f\u00fcr Windows Server relevanten Schwachstellen.<\/p>\n<h2>Update KB5122871 f\u00fcr Windows Server 2025<\/h2>\n<p>Eine Liste der Updates f\u00fcr Windows Server 2025 l\u00e4sst sich auf dieser <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/windows-server-2025-update-history-10f58da7-e57b-4a9d-9c16-9f1dcd72d7d7\" target=\"_blank\" rel=\"noopener\">Microsoft-Webseite<\/a> abrufen. F\u00fcr Windows Server 2025 wurde das kumulative Update <a href=\"https:\/\/support.microsoft.com\/help\/5122871\" target=\"_blank\" rel=\"noopener\">KB5122871<\/a> freigegeben, welches Sicherheitspatches und diverse Fixes beinhaltet.<\/p>\n<ul>\n<li><strong>[Certificates]<\/strong>\u00a0This update improves application compatibility during Windows certificate-authority updates, helping applications continue to work as expected as Microsoft transitions to newer signing certificates<\/li>\n<li><strong>[Date and Time]<\/strong>\u00a0This update adjusts Morocco Standard Time to reflect Morocco's transition to permanent UTC+00:00 effective September 20, 2026. This change ensures that the correct local time is displayed after the transition.<\/li>\n<li><strong>[Networking]<\/strong>\u00a0This update improves network failover on Windows Server systems by helping connections respond more quickly when a network adapter is disconnected. This helps network storage and file access continue to work as expected.<\/li>\n<li><strong>[Remote Desktop]<\/strong>\u00a0This update improves Remote Desktop audio redirection, helping audio from remote sessions play correctly on the local device.<\/li>\n<li><strong>[Sysmon]<\/strong>\n<ul>\n<li>This update improves Sysmon's Process Tampering detection by preventing false Event ID 25 alerts for normal Windows Session Manager (smss.exe) activity.<\/li>\n<li>This update improves Sysmon reliability during file monitoring, helping prevent unexpected system crashes when archive directories are unavailable.<\/li>\n<li>This update improves Sysmon tampering detection by making executable file validation more reliable and consistent.<\/li>\n<li>This update improves Sysmon file archiving reliability, helping monitored file operations complete as expected even when archive directories cannot be accessed.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Dieses Update wird automatisch von Windows Update heruntergeladen und installiert, ist aber auch im <a href=\"https:\/\/www.catalog.update.microsoft.com\/home.aspx\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a> und per WSUS sowie WUfB erh\u00e4ltlich. Im Patch ist das aktuelle Windows Servicing Stack Update integriert. Details zum Update sowie ggf. verursachte Probleme und Installationsvoraussetzungen sind im Support-Beitrag aufgef\u00fchrt. So gibt es Probleme bei der WSUS-R\u00fcckmeldung von Fehlern.<\/p>\n<h2>Update KB5122882 f\u00fcr Windows Server 2022<\/h2>\n<p>Eine Liste der Updates f\u00fcr Windows Server 2022 l\u00e4sst sich auf dieser <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/windows-server-2022-update-history-e1caa597-00c5-4ab9-9f3e-8212fe80b2ee\" target=\"_blank\" rel=\"noopener\">Microsoft-Webseite<\/a> abrufen. F\u00fcr Windows Server 2022 wurde das kumulative Update <a href=\"https:\/\/support.microsoft.com\/help\/5122882\" target=\"_blank\" rel=\"noopener\">KB5122882<\/a> freigegeben, welches Sicherheitspatches und diverse Bug-Fixes beinhaltet.<\/p>\n<ul>\n<li><strong>Certificates]<\/strong>\u00a0This update improves application compatibility during Windows certificate-authority updates, helping applications continue to work as expected as Microsoft transitions to newer signing certificates.<\/li>\n<li><strong>[Date and Time]<\/strong>\u00a0This update adjusts Morocco Standard Time to reflect Morocco's transition to permanent UTC+00:00 effective September 20, 2026. This change ensures that the correct local time is displayed after the transition.<\/li>\n<li><strong>[Hyper-V]<\/strong>\u00a0This update addresses an issue that might cause a limited number of Windows Server 2022 virtual machines to intermittently encounter a stop error 0x139 resulting in an unexpected restart.<\/li>\n<li><strong>[Networking]<\/strong>\u00a0This update improves network failover on Windows Server systems by helping connections respond more quickly when a network adapter is disconnected. This helps network storage and file access continue to work as expected.<\/li>\n<li><strong>[Remote desktop]<\/strong>\u00a0This update improves Remote Desktop audio redirection, helping audio from remote sessions play correctly on the local device.<\/li>\n<\/ul>\n<p>Dieses Update wird automatisch von Windows Update heruntergeladen und installiert, ist aber auch im <a href=\"https:\/\/www.catalog.update.microsoft.com\/home.aspx\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a> und per WSUS sowie WUfB erh\u00e4ltlich. Im Patch ist das aktuell Windows Servicing Stack Update integriert. Details zum Update sowie ggf. verursachte Probleme und Installationsvoraussetzungen sind im Support-Beitrag aufgef\u00fchrt. Windows Server Update Services (WSUS) zeigt keine Fehlerdetails.<\/p>\n<h2>Updates f\u00fcr Windows Server 2016\/2019<\/h2>\n<p>Eine Liste der Updates f\u00fcr Windows Server 2016 und 2019 l\u00e4sst sich auf dieser <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/windows-10-and-windows-server-2019-update-history-725fc2e1-4443-6831-a5ca-51ff5cbcb059\" target=\"_blank\" rel=\"noopener\">Microsoft-Webseite<\/a> abrufen. Ich habe nachfolgend die betreffenden Update-Informationen herausgezogen.<\/p>\n<h3>Update KB5122876 f\u00fcr Windows Server 2019<\/h3>\n<p>Das kumulative Update <a href=\"https:\/\/support.microsoft.com\/help\/5122876\" target=\"_blank\" rel=\"noopener\">KB5122876<\/a> steht nicht nur f\u00fcr Windows 10 2019 Enterprise LTSC etc. bereit, sondern auch f\u00fcr Windows Server 2019. Das Update beinhaltet Sicherheitsfixes, und Verbesserungen bzw. Fehlerbehebungen (auf den Registerreiter zu Server 2019 umstellen), die im Supportbeitrag aufgef\u00fchrt sind.<\/p>\n<ul>\n<li><strong>[Secure Boot]<\/strong>\u00a0This update includes additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new\u00a0<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/windows-devices-for-home-users-businesses-and-schools-with-microsoft-managed-updates-29bfd847-5855-49f1-bb94-e18497fe2315\" target=\"_blank\" rel=\"noopener\" data-linktype=\"absolute-path\">Secure Boot certificates<\/a>. Certificate deployment via Windows updates continues across supported PCs and non-managed business devices in the coming months.<\/li>\n<li><strong>[Date and Time]<\/strong>\u00a0This update adjusts Morocco Standard Time to reflect Morocco's transition to permanent UTC+00:00 effective September 20, 2026. This change ensures that the correct local time is displayed after the transition.<\/li>\n<li><strong>[Windows Code Integrity policies]<\/strong>\u00a0Improves application compatibility during Windows certificate-authority rotation by recognizing Microsoft Windows Production PCA 2026 RSA2048-SHA256 as equivalent to PCA 2011.<\/li>\n<li><strong>[Remote Desktop]<\/strong>\u00a0This update addresses an issue that affects Remote Desktop audio redirection. Audio from the remote session might not play on the local computer in certain configurations.<\/li>\n<\/ul>\n<p>Das Update wird automatisch von Windows Update heruntergeladen und installiert, ist aber auch im <a href=\"http:\/\/www.catalog.update.microsoft.com\/home.aspx\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a>, per WSUS und WUfB erh\u00e4ltlich. Microsoft hat zudem das Service Stack Update (SSU) aktualisiert. Beachtet die im Support-Beitrag beschriebene Installationsreihenfolge, ggf. die Hinweise zu weiteren Anforderungen und eventuell vorhandener Probleme.<\/p>\n<h3>Update KB5123099 f\u00fcr Windows Server 2016<\/h3>\n<p>Das kumulative Update <a href=\"https:\/\/support.microsoft.com\/help\/5123099\" target=\"_blank\" rel=\"noopener\">KB5123099<\/a>\u00a0steht nicht nur f\u00fcr Windows 10 2016 Enterprise LTSC, sondern auch f\u00fcr Windows Server 2016, bereit. Das Update beinhaltet Sicherheitsfixes, Fehlerbehebungen und Verbesserungen, die ggf. im Supportbeitrag aufgef\u00fchrt werden.<\/p>\n<ul>\n<li><strong>[Secure Boot]<\/strong>\u00a0This update includes additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new\u00a0<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/windows-devices-for-home-users-businesses-and-schools-with-microsoft-managed-updates-29bfd847-5855-49f1-bb94-e18497fe2315\" target=\"_blank\" rel=\"noopener\" data-linktype=\"absolute-path\">Secure Boot certificates<\/a>. Certificate deployment via Windows updates continues across supported PCs and non-managed business devices in the coming months.<\/li>\n<li><strong>[Date and Time]<\/strong>\u00a0This update adjusts Morocco Standard Time to reflect Morocco's transition to permanent UTC+00:00 effective September 20, 2026. This change ensures that the correct local time is displayed after the transition.<\/li>\n<li><strong>[Windows Code Integrity policies]<\/strong>\u00a0Improves application compatibility during Windows certificate-authority rotation by recognizing Microsoft Windows Production PCA 2026 RSA2048-SHA256 as equivalent to PCA 2011.<\/li>\n<li><strong>[Remote Desktop]<\/strong>\u00a0This update addresses an issue that affects Remote Desktop audio redirection. Audio from the remote session might not play on the local computer in certain configurations.<\/li>\n<li><strong>[Microsoft Compatibility Telemetry service (known issue)]<\/strong>\u00a0Fixed: After installing Windows update\u00a0<a href=\"https:\/\/support.microsoft.com\/en-us\/help\/5120418\" target=\"_blank\" rel=\"noopener\" data-linktype=\"absolute-path\">KB5120418<\/a> released on August 11, 2026, some Windows Server 2016 devices might generate recurring Application Error events (Event ID 1000, with exception code 0xc0000409) associated with CompatTelRunner.exe (siehe <a href=\"https:\/\/borncity.com\/blog\/2026\/09\/08\/windows-server-2016-compattelrunner-exe-crasht-nach-august-2026-update\/\">Windows Server 2016: CompatTelRunner.exe crasht nach August 2026-Update<\/a>).<\/li>\n<\/ul>\n<p>Das Update wird automatisch von Windows Update heruntergeladen und installiert, ist aber auch im <a href=\"http:\/\/www.catalog.update.microsoft.com\/home.aspx\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a>, per WSUS und WUfB erh\u00e4ltlich. Microsoft hat zudem das Service Stack Update (SSU) aktualisiert. Beachtet die im Support-Beitrag beschriebenen Installationsanforderungen und eventuelle Hinweise auf vorhandene Probleme.<\/p>\n<p>Details zu obigen Updates sind im Zweifelsfall den jeweiligen Microsoft KB-Artikeln zu entnehmen.<\/p>\n<p><strong>\u00c4hnliche Artikel:<br \/>\n<\/strong><a href=\"https:\/\/borncity.com\/blog\/2026\/09\/08\/microsoft-security-update-summary-8-september-2026\/\">Microsoft Security Update Summary<\/a> (8. September 2026)<br \/>\n<a href=\"https:\/\/borncity.com\/blog\/2026\/09\/09\/patchday-windows-10-11-updates-8-september-2026\/\">Patchday: Windows 10\/11 Updates<\/a> (8. September 2026)<br \/>\n<a href=\"https:\/\/borncity.com\/blog\/2026\/09\/09\/patchday-windows-server-updates-8-september-2026\/\">Patchday: Windows Server-Updates<\/a> (8. September 2026)<br \/>\nPatchday: Microsoft Office Updates (8. September 2026)<\/p>\n<p><a href=\"https:\/\/borncity.com\/blog\/2026\/09\/09\/exchange-server-sicherheitsupdates-8-september-2026\/\">Exchange Server: Sicherheitsupdates<\/a> (8. September 2026)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zum 8. September 2026 (zweiter Dienstag im Monat, Patchday bei Microsoft) wurden verschiedene kumulative Updates f\u00fcr die unterst\u00fctzten Versionen von Windows Server freigegeben. Nachfolgend habe ich die bereitgestellten Updates samt einigen Details f\u00fcr diese Windows Server-Versionen herausgezogen.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[426,185,2557],"tags":[15661,4328,4315,4364],"class_list":["post-329364","post","type-post","status-publish","format-standard","hentry","category-sicherheit","category-update","category-windows-server","tag-patchday-9-2026","tag-sicherheit","tag-update","tag-windows-server"],"_links":{"self":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts\/329364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/comments?post=329364"}],"version-history":[{"count":6,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts\/329364\/revisions"}],"predecessor-version":[{"id":329380,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts\/329364\/revisions\/329380"}],"wp:attachment":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/media?parent=329364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/categories?post=329364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/tags?post=329364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}