Patchday: Windows 11/Server 2022 updates (December 12, 2023)

Windows[German]On December 12, 2023 (second Tuesday of the month, patch day at Microsoft), Microsoft also released cumulative updates for Windows 11 23H2 to 21H2. Windows Server 2022 also received an update. Here are some details about these updates, which are intended to fix vulnerabilities and bugs.


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Updates for Windows 11 23H2 – 21H2

A list of the Windows 11 updates can be found on this Microsoft website. I have extracted the details below. Microsoft is now providing the following updates for the Windows 11 versions mentioned above.

Update KB5033375 for Windows 11 23H2-22H2

Cumulative Update KB5033375 hraises the OS build for Windows 11 to 226×1.2861 and includes quality improvements and security patches. Microsoft states the following in the support article:

  • This update addresses security issues for your Windows operating system.

This update also includes the new features mentioned in the preview update from the previous month (see Windows 11 23H2/22H2: Preview Update KB5032288 (December 04, 2023)). This update is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog and via WSUS and WUfB. The Windows 11 Servicing Stack Update is integrated in the patch. Problems caused by the update are listed in the support article.

After February 27, 2024, there will no longer be any optional, non-security-related pre-releases for Windows 11, version 22H2. Only cumulative monthly security updates will continue for supported editions of Windows 11, version 22H2.

Update KB5033369 for Windows 11 21H2

Cumulative Update KB5033369 raises the OS build for Windows 11 to 22000.2652 and includes quality improvements and security patches, but no new operating system features. It should be noted that support for the Home and Pro editions expired in October 2023 and only the Enterprise versions will be supplied with patches. Details on the improvements and fixes can be found in the support article KB5033369.

Microsoft would like to point out that this update makes quality improvements to the Servicing Stack (which is responsible for Microsoft updates). This update is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog and via WSUS and WUfB. Information on known problems with the update can be found in the support article.

Windows Server 2022

According to this Microsoft page, the cumulative update KB5033118 has been released for Windows Server 2022, which raises the OS build to 20348.2159. The description of the fixes can be found in the support article KB5033118. Microsoft would like to point out that this update makes quality improvements to the servicing stack (which is responsible for Microsoft updates).


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This update is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog and via WSUS and WUfB. Information on known issues with the update can be found in the support article – Microsoft currently states that no problems are known.

Similar articles:
Microsoft Security Update Summary (December 12, 2023)
Patchday: Windows 10 updates (December 12, 2023)
Patchday: Windows 11/Server 2022 updates (December 12, 2023)
Windows 7/Server 2008 R2; Server 2012 R2: Updates (December 12, 2023)
Microsoft Office updates (December 12, 2023)

Windows 10 22H2 Preview Update KB5032278 (November 30, 2023)
Windows 11 23H2/22H2: Preview Update KB5032288 (December 04, 2023)


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