Berlaku Untuk
Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions

Tanggal Rilis:

12/09/2023

Versi:

OS Builds 19044.3448 and 19045.3448

EXPIRATION NOTICE

IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows.

 

11/17/20

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 21H2, see its update history page. 

Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.

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.

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. 

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

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. 

Windows 10 servicing stack update - 19044.3385 and 19045.3385

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Known issues in this update

Symptom

Workaround

After installing this update, apps that you used ClickOnce to deploy might begin to prompt for installation even when the ClickOnce apps are already installed and marked as “trusted”.

This issue is addressed in KB5030300. If you cannot install this KB, see the information below.

This issue is resolved using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster. For enterprise-managed devices that have installed an affected update and encountered this issue can be resolved by installing and configuring a special Group Policy. The special Group Policy can be found in Computer Configuration ->Administrative Templates -> <Group Policy name listed below>.

For information on deploying and configuring these special Group Policy, please see How to use Group Policy to deploy a Known Issue Rollback.

Group Policy downloads with Group Policy name:

Important You will need to install and configure the Group Policy for your version of Windows to resolve this issue.

Using the FixedDrivesEncryptionType or SystemDrivesEncryptionType policy settings in the BitLocker configuration service provider (CSP) node in mobile device management (MDM) apps might incorrectly show a 65000 error in the "Require Device Encryption" setting for some devices in your environment. Affected environments are those with the “Enforce drive encryption type on operating system drives” or "Enforce drive encryption on fixed drives" policies set to enabled and selecting either "full encryption" or "used space only". Microsoft Intune is affected by this issue but third-party MDMs might also pe affected.

Important This issue is a reporting issue only and does not affect drive encryption or the reporting of other issues on the device, including other BitLocker issues.

This issue is addressed in KB5034203.

How to get this update

EXPIRATION NOTICE

IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows.

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