December 12, 2023—KB5033375 (OS Builds 22621.2861 and 22631.2861)

Windows 11 version 22H2, all editions Windows 11 version 23H2, all editions More...Less

Release Date:

12/12/2023

Version:

OS Builds 22621.2861 and 22631.2861

^{UPDATED 2/27/24}
IMPORTANT: New dates for the end of non-security updates for Windows 11, version 22H2

The new end date is June 24, 2025 for Windows 11, version 22H2 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions. Home, Pro, Pro Education, and Pro for Workstations editions of version 22H2 will receive non-security preview updates until June, 26, 2024.

After these dates, only cumulative monthly security updates will continue for the supported editions of Windows 11, version 22H2. The initial date communicated for this change was February 27, 2024. Based on user feedback, this date has been changed so more customers can take advantage of our continuous innovations.

^11/16/23
IMPORTANT Because of minimal operations during the Western holidays and the upcoming new year, there won’t be a non-security preview release for the month of December 2023. There will be a monthly security release for December 2023. Normal monthly servicing for both security and non-security preview releases will resume in January 2024.

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 11, version 23H2, see its update history page.

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

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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 KB5027397 to update to Windows 11, version 23H2.

This security update includes quality improvements. Key changes include:

This build includes all the improvements in Windows 11, version 22H2.
No additional issues are documented for this release.

This security update includes improvements that were a part of update KB5032288 (released December 4, 2023). When you install this KB:

This update addresses a known issue that might affect Narrator. It might not start when you use physical media or disc images (ISO) to install Windows 11, version 23H2.

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 Security Update Guide website and the December 2023 Security Updates.

Windows 11 servicing stack update - 22621.2567 and 22631.2567

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.

Applies to	Symptom	Workaround
IT admins	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 KB5034204.
All users	Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Windows (in preview).	This issue is addressed on the service-side for Windows 11, versions 22H2 and 23H2 on devices with updates released January 9, 2024, or later. Note Managed devices in your environment that have been used or are currently being used in a multimonitor configuration will not yet have Copilot for Windows available.
All users	The color font format for COLRv1 does not render properly. This format enables Windows to display emoji with a 3D-like appearance.	This issue is addressed in KB5034204.
All users	Microsoft has received reports of an issue in which some Wi-Fi adapters might not connect to some networks after installing this update. We have confirmed this issue was caused by this update and KB5033375. As reported, you are more likely to be affected by this issue if you are attempting to connect to an enterprise, education, or public Wi-Fi network using 802.1x authentication. This issue is not likely to occur on home networks.	This issue is addressed in KB5034123. If you cannot install this update, see the instructions below. This issue is addressed using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the KIR to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the KIR apply to your device faster. For enterprise-managed devices that have installed an affected update and encountered this issue, it can be addressed 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: Download for Windows 11, versions 23H2 and 22H2 - Windows 11 22H2 KB5032288 231029_032011 Known Issue Rollback Important You will need to install and configure the Group Policy for your version of Windows to resolve this issue. You will also need to restart your device(s) to apply the group policy setting.

Applies to

Symptom

Workaround

IT admins

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 KB5034204.

All users

Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Windows (in preview).

This issue is addressed on the service-side for Windows 11, versions 22H2 and 23H2 on devices with updates released January 9, 2024, or later.

Note Managed devices in your environment that have been used or are currently being used in a multimonitor configuration will not yet have Copilot for Windows available.

All users

The color font format for COLRv1 does not render properly. This format enables Windows to display emoji with a 3D-like appearance.

This issue is addressed in KB5034204.

All users

Microsoft has received reports of an issue in which some Wi-Fi adapters might not connect to some networks after installing this update. We have confirmed this issue was caused by this update and KB5033375. As reported, you are more likely to be affected by this issue if you are attempting to connect to an enterprise, education, or public Wi-Fi network using 802.1x authentication. This issue is not likely to occur on home networks.

This issue is addressed in KB5034123. If you cannot install this update, see the instructions below.

This issue is addressed using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the KIR to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the KIR apply to your device faster.

For enterprise-managed devices that have installed an affected update and encountered this issue, it can be addressed 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:

Download for Windows 11, versions 23H2 and 22H2 - Windows 11 22H2 KB5032288 231029_032011 Known Issue Rollback

Important You will need to install and configure the Group Policy for your version of Windows to resolve this issue. You will also need to restart your device(s) to apply the group policy setting.

How to get this update

Before installing this update

Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

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: Windows 11 Classification: Security Updates

If you want to remove the LCU

To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

File information

For a list of the files that are provided in this update, download the file information for cumulative update 5033375.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - versions 22621.2567 and 22631.2567.