March 9, 2021 Security Update (KB5000801)
Release Date:
9/03/2021
Version:
OS Build 17784.1589
Improvements and fixes
This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
Symptom |
Workaround |
---|---|
After installing this update, you might receive an APC_INDEX_MISMATCH error with a blue screen when attempting to print to certain printers in some apps. |
This issue is resolved in KB5001343. |
How to get this update
The March 9, 2021 security update (KB5000801) 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
Release Channel |
Available |
Next Step |
Windows Update and Microsoft Update |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Azure Stack HCI Classification: Security Updates |
File Information
For a list of the files that are provided in this update, download the file information for cumulative update 5000801.