March 2024 OS security update (KB 5035856) for Azure Stack HCI, version 23H2

Applies to: Azure Local, version 23H2

This article describes the OS security update for Azure Stack HCI, version 23H2 that was released on March 20, 2024 and applies to OS build 25398.763.

Improvements

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

  • This update addresses an issue that affects Windows Defender Application Control (WDAC). It prevents a stop error that occurs when you apply more than 32 policies.

  • This update addresses an issue that makes the troubleshooting process fail. This occurs when you use the Get Help app.

For more information about security vulnerabilities, see the Security Update Guide and the March 2024 Security Updates.

Known issues

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

To install this 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 clusters.

File list

For a list of the files that are provided in this update, download the file information for cumulative update 5035856.

Next steps