June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

UPDATED 06/11/24 **REMINDER **The following editions of Windows 10, version 21H2 are at end of service today, June 11, 2024:- Windows 10 Enterprise and Education- Windows 10 IoT Enterprise- Windows 10 Enterprise multi-sessionAfter that date, these devices will not receive monthly security and quality updates. These updates contain protections from the latest security threats. To continue receiving security and quality updates, we recommend that you update to the latest version of Windows.We will continue to support Windows 10 Enterprise LTSC 2021 and Windows 10 IoT Enterprise LTSC 2021.

11/17/20For 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 22H2, 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

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

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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.

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Windows 10, version 21H2 editions: Windows 10 Enterprise and Education, Windows 10 IoT Enterprise, Windows 10 Enterprise multi-session, Windows 10 Enterprise LTSC 2021, and
Windows 10 IoT Enterprise LTSC 2021

**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 KB5037849 (released May 28, 2024). When you install this KB:

• This update addresses an issue that affects lsass.exe. It stops responding. This occurs after you install the April 2024 security updates on Windows servers.
• This update addresses an issue that affects lsass.exe. It leaks memory. This occurs during a Local Security Authority (Domain Policy) Remote Protocol (LSARPC) call.
  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 June 2024 Security Updates.

Windows 10 servicing stack update (KB5037995) - 19044.4467 and 19045.4467

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.

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Known issues in this update

Symptom	Workaround
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).	We are gradually rolling out a new Copilot experience for devices with KB5039299or later updates installed. This new experience will address this issue.KB5039299 was released on June 25, 2024, and you can expect to receive the new Copilot experience sometime from now until the next few months.
Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.	We are gradually rolling out a new Copilot experience for devices with KB5039299 or later updates installed. This new experience will address this issue.KB5039299 was released on June 25, 2024, and you can expect to receive the new Copilot experience sometime from now until the next few months.
After you install KB5034203 (dated 01/23/2024) or later updates, some Windows devices that use the DHCP Option 235 to discover Microsoft Connected Cache (MCC) nodes in their network might be unable to use those nodes. Instead, these Windows devices will download updates and apps from the public internet. IT administrators also see increased download traffic on their internet routes.Those of you who use the Home edition of Windows are not likely to experience this issue. MCC and DHCP Option 235 are typically used in enterprise environments.	Option****1: Configure Microsoft Connected Cache endpoint inDOCacheHostpolicy as indicated in Cache hostname. Additionally,DOCacheHostSourcehas to be set to1or removed as indicated in Cache hostname source. By default, theDOCacheHost and DOCacheHostSource policies have no value.Option****2: You can mitigate this issue using Group Policies available through our support channel. Organizations can request help at Support for business.We are working on a resolution and will provide an update in an upcoming release.
After installing this update, you might be unable to change your user account profile picture.When attempting to change a profile picture by selecting the button Start>Settings > Account>Your info and, under** Create your picture**, clicking on**Browse for one, **you might receive an error message with error code 0x80070520.	We are working on a resolution and will provide an update in an upcoming release.
Certain apps might display an “Open With” dialog box asking, “How do you want to open this file?”. You might experience this issue when you place your mouse on an app icon shown in your Taskbar or Start menu and right-click on the app to execute a task in that app. Resulting from this, you might see the “Open With” dialog box instead of the execution of the selected task.This issue was reported by Teams, new Outlook for Windows, and Snip & Sketch users. This issue can also affect other applications attempting to right-click on its icon to find a context menu with a list of tasks.	This issue is addressed in KB5039299.

How to get this update

Before you install this updateMicrosoft now 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.Prerequisite:Based on your installation scenario, choose one of the following:

1. For offline OS image servicing:If your image does not have the March 22, 2022 (KB5011543) or later LCU, you mustinstall the special standalone May 10, 2022 SSU (KB5014032) before installing this update.
2. For Windows Server Update Services (WSUS) deployment or when installing the standalone package from Microsoft Update Catalog: If your devices do not have the May 11, 2021 (KB5003173) or later LCU, you mustinstall the special standalone August 10, 2021 SSU (KB5005260) before installing this update.
   Install this updateTo install this update, use one of the following Windows and Microsoft release channels.

Windows UpdateBusinessCatalogServer Update Services

Available	Next Step
Yes	None. This update will be downloaded and installed automatically from Windows Update and Microsoft Update.

Available	Next Step
Yes	None. This update will be downloaded and installed automatically from Windows Update for Business in accordance with configured policies.

Available	Next Step
Yes	To get the standalone package for this update, go to the Microsoft Update Catalog website.

Available	Next Step
Yes	This update will automatically sync with Windows Server Update Services (WSUS) if you configure Products and Classifications as follows:Product: Windows 10, version 1903 and laterClassification: Security Updates

If you want to remove the LCUTo 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 informationFor a list of the files that are provided in this update, download the file information for cumulative update 5039211.For a list of the files that are provided in the servicing stack update, download the file information for the SSU (KB5037995) - versions 19044.4467 and 19045.4467.