[German]There is a use-after-free vulnerability CVE-2025-29824 in Windows, which has probably already been exploited by ransomware groups. Microsoft has released security updates for April 2025 that also close this vulnerability. Users and administrators should therefore install the April 2025 updates for Windows promptly to secure their systems.
[German]Small addendum from the April 2025 patchday (April 8, 2025) – due to all the bugs, I haven't gotten around to reporting another (cosmetic) error yet. In Windows 10 (2019 and 22H2) and Windows 11 (23H2 and 24H2), an empty "inetpub" folder is suddenly created when April 2025 security updates are installed. That's for security measures.
[German]Microsoft had already pointed out in December 2023 that the Microsoft Teams client is subject to the Modern Lifecycle Policy. This policy requires that the latest version of the client application is always used. Clients older than 90 days without an update are blocked. Microsoft has now revealed details about this and has activated this policy.
[German]With the Office 2016 update KB5002700 from April 8, 2025, users are facing problems with Office 2016 applications. The update caused crashes in Excel, Outlook and Word. On April 10, 2025, Microsoft released the KB5002623 update for Office 2016, which fixes these problems.
[German]Microsoft is not having a good run at the moment – yesterday (April 9, 2025) the Exchange Admin Center was down worldwide for a few hours. Microsoft then rolled out a fix and everything seemed fine again. Today, I'm receiving reader reports that users no longer have "send as" authorization for shared mailboxes, which means they can no longer send mails.
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[German]Not all Windows security updates were ready for the patch day in April 2025 (April 8, 2025). For example, the update for Windows 10 (RTM version, version 1507) was completely missing. Microsoft has now delivered this update and also published its own support article.
[German]If your Microsoft 365 Family subscription is currently "jerking", it could be Microsoft again. At the very least, Microsoft has stated that it is aware of a problem with "Microsoft 365 Family subscriptions". Specifically, there are more and more reports from people who have been told that a subscription that still valid for a long time has been canceled. Microsoft 365 can no longer be used.
[German]On April 8, 2020 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for Microsoft Office 2016, as well as the C2R variants (Office 2016-2021 and 365) and other products. Below you will find an overview of the available updates. One update for Office 2016 causes issues with Excel, Outlook and Word.
[German]On April 3, 2025, Microsoft released Edge 135.0.3179.54 (and there is probably already 135.0.3179.66, which may fix the following bug) and closed security vulnerabilities there. However, I have received reports that there are problems with Edge 135.0.3179.54.
[German]Die Sicherheitsupdates vom 8. April 2025 für Microsoft Office scheinen einige Kollateralschäden zu verursachen. Neben dem Outlook 2016-Kalender-Problem scheint das Microsoft das Office-Update KB5002700 auch Word 2016 sowie Excel 2016 zum Absturz zu bringen.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
