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November 2023 OS security update (KB 5032202) for Azure Stack HCI, version 23H2

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Applies to: Azure Stack HCI, version 23H2

This security update for Azure Stack HCI, version 23H2 was released on November 14, 2023 and applies to OS build 25398.531.

Improvements

This security update includes quality improvements. When you install this KB:

  • This update supports daylight saving time (DST) changes in Syria. To learn more, see Interim guidance for Syria DST changes 2022.

  • This update changes the spelling of Ukraine's capital from Kiev to Kyiv.

  • This update addresses an issue that affects an Application Virtualization (App-V) environment. Copy operations within it stop working. This occurs after you install the April 2023 update.

  • This update addresses an issue that blocks external connections. This occurs when you set up a Kubernetes load balanced service and turn on session affinity.

  • This update includes quarterly changes to the Windows Kernel Vulnerable Driver Blocklist file, DriverSiPolicy.p7b. It adds to the list of drivers that are at risk for Bring Your Own Vulnerable Driver (BYOVD) attacks.

  • This update addresses an issue that affects Windows LAPS. Its PasswordExpirationProtectionEnabled policy fails to turn on the setting.

  • This update addresses an issue that affects a COM+ component. It might stop responding. This occurs because of a deadlock during COM+ Just-in-Time (JIT) activation. However, this part of this update is off by default for this version of Windows. If you have this issue, you must contact Microsoft support to turn it on.

For more information about security vulnerabilities, see the Security Update Guide and the November 2023 Security Updates.

Known issues

Microsoft isn't currently aware of any issues with this update.

Install the update

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

To install the LCU on your Azure Stack HCI cluster, see Update Azure Stack HCI via PowerShell.

File list

For a list of the files that are provided in this update, download the file information for cumulative update 5032202.

Next steps