KB5030211: This update addresses an issue that affects authentication

Highlights

• This update addresses security issues for your Windows operating system.

Improvements

Note To view the list of addressed issues, click or tap the OS name to expand the collapsible section.

Windows 10, version 22H2

Important: Use EKB KB5015684 to update to Windows 10, version 22H2.

This security update includes quality improvements. Key changes include:

• This build includes all the improvements from the supported Windows 10, version 21H2 editions.
• No additional issues are documented for this release.

Windows 10, version 21H2 editions: Windows 10 Enterprise and Education, Windows 10 IoT Enterprise, and Windows 10 Enterprise multi-session

Important: Use EKB KB5003791 to update to the supported editions of Windows 10, version 21H2.

This security update includes quality improvements that were a part of update KB5029331 (released August 22, 2023). When you install this KB:

• This update addresses an issue that affects authentication. Using a smart card to join or rejoin a computer to an Active Directory domain might fail. This occurs after you install Windows updates dated October 2022 or later. For more details, see KB5020276.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.

For more information about security vulnerabilities, please refer to the new Security Update Guide website and the September 2023 Security Updates.