Patchday: Windows 11/Server 2022 Updates (August 8, 2023)

Windows[German]On August 8, 2023 (second Tuesday of the month, Microsoft patch day), Microsoft also released cumulative updates for Windows 11 22H1 and 22H2. In addition, Windows Server 2022 received an update. Here are some details about these updates, which are supposed to fix vulnerabilities as well as problems.


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Updates for Windows 11 21H1 – 22H2

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

Update KB5029263 for Windows 11 22H2

Cumulative Update KB5029263 raises the OS build for Windows 11 to 22621.2134 and includes quality improvements as well as security patches. In this update, the new features mentioned in the preview update from the previous month are also applied (see Windows 11 22H2: Preview Update KB5028254 (July 25, 2023))). In the support article, Microsoft states the following:

This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.

This update is automatically downloaded and installed by Windows Update, but is also available from the Microsoft Update Catalog and via WSUS and WUfB. The patch includes the Windows 11 Servicing Stack Update. Issues caused by the update are listed in the support article.

Update KB5029253 foür Windows 11 21H2

Cumulative Update KB5029253 raises the OS build for Windows 11 to 22000.2295 and includes quality improvements and security patches, but no new operating system features. The fixes from the previous month's preview update have been incorporated (see Windows 11 21H2: Preview-Update KB5028245 (July 25, 2023)). Regarding the implemented improvements, Microsoft mentions the following:

  • This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.

Microsoft notes 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 from the Microsoft Update Catalog and via WSUS and WUfB. Notes on known issues with the update can be found in the support article.

Windows Server 2022

For Windows Server 2022, according to this Microsoft page, cumulative update KB5029250 has been released, raising the OS build to 20348.1906. Among the fixes this update makes, Microsoft writes:


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  • This update addresses an issue that affects Microsoft Teams. It fails to send you notifications under certain conditions.
  • This update addresses an issue that affects the Windows Management Instrumentation (WMI) repository. This causes an installation error. The issue occurs when a device does not shut down properly.
  • This update addresses an issue that affects Event Forwarding Subscriptions. When you add an Event Channel to the subscription, it forwards events you do not need.
  • This update addresses an issue that affects apps that use DirectX on older Intel graphics drivers. You might receive an error from apphelp.dll.
  • This update enhances hinting for some of the letters of the Verdana Pro font family.
  • This update addresses an issue that might affect your computer when you are playing a game. Timeout Detection and Recovery (TDR) errors might occur.
  • This update addresses an issue that affects the software-defined networking (SDN) firewall In Memory Object Store DB. Its migration fails.
  • This update affects text edit controls in XAML. You cannot edit the controls again after they become read only. This occurs when you use the new Microsoft Input Method Editor for Japanese, Chinese, and Korean.
  • This update addresses an issue that affects applications that perform certain actions in a callback. The applications might stop working. These actions include closing a Window (WM_CLOSE).
  • This update addresses a deadlock in Internet Protocol Security (IPsec). When you configure servers with IPsec rules, they stop responding. This issue affects virtual and physical servers.
  • This update addresses an issue that affects Networking-MPSSVC-Svc. The issue causes a system to enter a restart loop. The stop code is 0xEF.
  • This update addresses an issue that causes Windows to fail. This occurs when you use BitLocker on a storage medium that has a large sector size.
  • This update affects the Windows Kernel Vulnerable Driver Blocklist, DriverSiPolicy.p7b. It adds drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.
  • This update addresses an issue that affects Active Directory Federation Services (AD FS). It might take several attempts to sign in to AD FS successfully. This is because the time calculation for the expiration of a single sign on cookie is wrong.
  • This update addresses an issue that affects repair storage jobs. The jobs are suspended. This occurs after two physical disks in two different rack-level fault domains (three fault domain in total) lose communication.
  • This update addresses an issue that affects AD Domains and Trusts snap-ins. They fail to enumerate domain trusts. The error message is, "The parameter is incorrect."

Microsoft notes 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 from the Microsoft Update Catalog and via WSUS and WUfB. Notes on known issues with the update can be found in the support article.

Similar articles:
Microsoft Security Update Summary (August 8, 2023)
Patchday: Windows 10 Updates (August 8, 2023)
Patchday: Windows 11/Server 2022 Updates (August 8, 2023)
Windows 7/Server 2008 R2; Server 2012 R2: Updates (August 8, 2023)
Microsoft Office Updates (August 8, 2023)

Windows 11 22H2: Preview Update KB5028254 (July 25, 2023)
Windows 11 21H2: Preview-Update KB5028245 (July 25, 2023)
Windows 10 22H2 Preview Update KB5028244 (July 25, 2023)


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One Response to Patchday: Windows 11/Server 2022 Updates (August 8, 2023)

  1. JEANNETTE JOHNSON says:

    Why are there no posts or updates about the VMWare issue with the Aug Server 2022 update?
    "After installing this update on guest virtual machines (VMs) running Windows Server 2022 on some versions of VMware ESXi, Windows Server 2022 might not start up. Only Windows Server 2022 VMs with Secure Boot enabled are affected by this issue. Affected versions of VMware ESXi are versions vSphere ESXi 7.0.x and below.
    Please see VMware's documentation to mitigate this issue.
    Microsoft and VMware are investigating this issue and will provide more information when it is available."

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