July 13, 2021 Public preview security update (KB5004243)
Applies To
Azure Stack HCI, version 21H2Release Date:
7/13/2021
Version:
OS Build 20348.112
Improvements and fixes
This public preview security update includes quality improvements. Key changes include:
-
Removes support for the PerformTicketSignature setting and permanently enables Enforcement mode for CVE-2020-17049. For more information and steps to enable full protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.
-
Security updates to Windows Apps, Windows Management, Windows Fundamentals, Windows Authentication, Windows User Account Control (UAC), Operating System Security, Windows Graphics, and Windows Storage and Filesystems.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
Microsoft is not currently aware of any issues with this update.
How to get this update
The July 13, 2021 security update public preview (KB5004243) for Azure Stack HCI, version 21H2 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. |
|
Windows Update for Business |
Yes |
None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. |
|
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 5004243.
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