October 12, 2021 Security Update (KB5006679)

Improvements and fixes

This security update includes quality improvements. Key changes include:

• Addresses a known issue with virtual machines (VMs) that use Software Defined Networks (SDN) or traditional multi-tenant Routing and Remote Access service (RRAS) gateways. These VMs might lose connectivity with external networks that use gateway connections. This issue occurs after installing KB5005105 or a later Windows update.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide and the October 2021 Security Updates.

To return to the Azure Stack HCI documentation site

Known issues in this update

Microsoft is not currently aware of any issues with this update. 

How to get this update

The October 12, 2021 security update (KB5006679) for Azure Stack HCI is delivered from the release channels below. To install it on your Azure Stack HCI cluster, see Update Azure Stack HCI clusters.

Install this update