[German]Microsoft has unexpectedly released an emergency update (hotfix) for Windows 11 24H2 and 25H2 on March 13, 2026. This security update is intended to address a security issue in the RRAS management tool (Windows Routing and Remote Access Service). As far as I can tell, it is only available via the Hotpatch channel.
[German]A question for all Exchange Online tenant administrators. Are you currently still able to set or change permissions for public folders? A blog reader contacted me because he's been having trouble with his tenant for the past few days—he can't make any changes to permissions. The reader reported that this issue has now also affected some of his clients' tenants.
[German]Quick question for blog readers who use Windows 11 24H2 or 25H2 and install preview updates. A blog reader contacted me this a couple of days ago, because various updates, which are normally optional, were installed automatically on his computer. Upon checking, he noticed that the value for the "Optional Updates" group policy had been changed.
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, serious vulnerabilities in Excel were fixed (see also the blog post Microsoft Security Update Summary (March 10, 2026)). Below are a few information about the available updates.
[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided for these Windows Server versions (from Windows Server 2012 to 2025) that are still in support – some need an ESU license.
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[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), Microsoft released cumulative updates for the still-supported client operating system versions of Windows 10 (with ESU license) and Windows 11. Here are some details about these updates, which are designed to fix vulnerabilities and issues.
[German]On March 10, 2026, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 83 vulnerabilities (CVEs), 8 of which are critical, and 2 of which were classified as zero-day vulnerabilities. Below is a brief overview of these updates, which were released on Patch Day.
[German]Brief information for administrators of Windows systems. Microsoft announced on March 4, 2026, that it had improved Windows Server 2025 and Windows 11 24H2 with regard to GPP (Group Policy Preferences) diagnostics. With the January 2026 updates, the event viewer provides significantly more information for entries in Windows 11—this feature is expected to follow later for Windows Server 2025.
[German]Quick note for Google Chrome browser users. On March 3, 2026, Google released a new version of Chrome (145.0.7632.159/160) that fixes 10 vulnerabilities in the browser. Three of these vulnerabilities have already been rated as critical. Google plans to roll out the new version in stages.
[German]Microsoft has re-released update KB5075039 (Windows Recovery Environment update) for Windows 10 once again on March 3, 2026. It is a WinRE patch that is intended to provide Windows 10, which fell out of support in October 2025, with a working recovery environment again. Here is some brief information on the matter.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
