[German]Microsoft has released the optional cumulative (preview) update KB5062649 for Windows 10 22H2 on July 22, 2025. In addition, the preview updates KB506266 for Windows 11 24H2 and KB5062663 for Windows 11 22H2 – 23H2 were published. These updates contain corrections that can be tested and will then be rolled out generally as fixes in the following month.
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[German]An addendum to the 0-day vulnerability in Microsoft SharePoint and the observed wave of attacks. Microsoft has also released an emergency update for SharePoint Server 2016. In the meantime, there are reports that some of the attacks came from China via a 0-day exploit. And over 400 organizations have probably been compromised, with the USA and Germany being the most affected. In the meantime, Microsoft has also published a more detailed blog post. Here is a review with a summary.
[German]Since Windows 10 22H2 will no longer be supported as of October 14, 2025, we can expect more Windows 11 upgrade campaigns from Microsoft. I would therefore like to ask the readership whether anyone else has noticed that these upgrade offers are also being made for non-compatible hardware, e.g. missing TPM?
[German]Does anyone in the readership operate a SharePoint server that is accessible via the Internet? If so, the house may be on fire. Since yesterday, I have been receiving information that SharePoint servers have been attacked via 0-day exploits since July 18, 2025. This blog post will be updated – we have now the first patches.
[German]That was kind of quick reaction after Microsoft was caught as a kind of "with its finger in the honey pot", so to speak. A week after ProPublica's report, that Microsoft uses software engineers in China to maintain it's federal cloud, they draw back. Microsoft says it is no longer using engineers in China to maintain the US Department of Defense's (DoD) cloud systems.
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[German]Anyone from the my blog readers who uses the CrushFTP program for file transfer? In the meantime, several readers have reported (thanks for that) that there are reports of a 0-day vulnerability (CVE-2025-54309) in CrushFTP server, which is probably already being exploited.
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[German]Another small addendum or collective article on known issues that Microsoft confirmed at the beginning of July 2025 for various Windows client versions. These range from broken Emoij search to firewall problems that have not yet been resolved. And Defender also seems to be causing problems.
[German]The security vendor Trend Micro has released Trend Micro Worry Free Business (WFBS) 10.0 SP 1 – Patch 2518 on 15.7.2025. The patch contains various security fixes and is also intended to fix various bugs. OpenSSL 3.0.15 in the Apache web server is updated to improve product security.
[German]Delegated Managed Service Accounts (dMSA) were newly introduced in Windows Server 2025. Their design enables serious attacks on Managed Service Accounts and Active Directory resources. Semperis-Research has now developed Golden dMSA, a tool that contains the logic of the attack and helps to better understand the attack mechanisms and initiate defensive measures.
[German]Microsoft has slightly adjusted its criteria for delicensing resiliency for Exchange Online tenants. Now Exchange Online tenants with fewer than 10,000 licenses can also benefit from this function. This helps administrators who remove licenses in a tenant to prevent the mailbox from immediately becoming inoperable. Instead, there is a grace period.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
