[German]Microsoft has released the upgrade brakes for Windows 11 21H2 as of January 26, 2023, and generally released the feature update to version 22H2, which was released in November 2022. Starting on the aforementioned date, Microsoft will begin automatically upgrading consumer and unmanaged versions of Windows 11 Home and Pro to Windows 11 22H2. However, the whole thing will be done in waves.
[German]Microsoft has released the optional cumulative (preview) update KB5022360 for Windows 11 version 22H2 on January 26, 2023. There are a number of new features and especially a long list of bug fixes. Below I give an overview regarding these updates for Windows 11.
[German]One more addendum to the blog post Windows 10: Be aware of WinRE WinRE patch to fix Bitlocker bypass vulnerability CVE-2022-41099. To close the vulnerability (CVE-2022-41099), which allows bypassing Bitlocker encryption in Windows, the clients' Win RE environment (Windows 10) must be updated manually. However, there are issues in doing so, as a blog reader told me. I also came across a script that is supposed to automate the patching of the WinRE environment.
[German]Numerous on-premises Microsoft Exchange servers operating around the world are insecure because they are not up to date with the latest patches. This exposes the systems to risk, and it is critical to run unpatched Exchange servers. In a Jan. 26 Techcommunity article, the Microsoft Exchange team addresses this issue and urges administrators to patch systems urgently and immediately so that the latest January 2023 security update is installed.
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[German]In a coordinated action, international law enforcement agencies have seized the infrastructure of the Hive Ransomware group. This means that the group can no longer accept payments via its Tor website. Investigators from the Netherlands, Germany and the US were involved in the action. This is yet another case of law enforcement hitting back and breaking up websites and infrastructure of a cybercriminal group.
[German]Microsoft has released update KB4023057 (Update for Windows Update service components) for machines with Windows 10/11 in an updated version on January 26, 2023. The update is intended to improve the reliability of the Windows Update Service, in other words: to find any update problems on home users' Windows 10/11 systems that prevent them from upgrading.
[German]Microsoft has updated the Edge browser in the stable channel to version 109.0.1518.69 on January 25, 2023 (thanks to the reader for the tip). Microsoft did not reveal too much about this maintenance update.
[German]Quick question in the round, aimed at Microsoft Exchange Server administrators. Have you guys encountered any major issues (aside from services not starting automatically) when installing the January 2023 security updates? I have feedback from a service provider that the latest CU triggers the "index issue" again with Microsoft Exchange 2019. Here's a brief outline of what it's all about.
[German]There was a vulnerability in Microsoft's Windows DCOM implementation that allows security features to be bypassed. Microsoft has documented and patched this, and plans to release a final one in March 2023, however. Security vendor OTORIO has released an open source DCOM hardening toolkit for OT systems in advance, which companies can use to analyze their DCOM environments and harden them if necessary.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
