Win Update KB5026368 Windows 11 Cumulative Update Build 22000.1936 (21H2)

KB5026436 Windows 11 Cumulative Update Preview Build 22000.2003 (21H2)

UPDATE 6/13: https://www.elevenforum.com/t/kb5027223-windows-11-cumulative-update-build-22000-2057-21h2.15599/ Microsoft Support: May 23, 2023 - KB5026436 (OS Build 22000.2003) Preview IMPORTANT Starting in April 2023, optional, non-security preview updates will release on the fourth Tuesday...

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May 9, 2023 - KB5026368 (OS Build 22000.1936)​

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 21H2, see its update history page.

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

Tip: Looking for this month's video? It's now in the Windows 11, version 22H2 article.

Highlights​

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

Improvements​

This security update includes improvements that were a part of update KB5025298 (released April 25, 2023). When you install this KB:

• This update addresses a race condition in Windows Local Administrator Password Solution (LAPS). The Local Security Authority Subsystem Service (LSASS) might stop responding. This occurs when the system processes multiple local account operations at the same time. The access violation error code is 0xc0000005.

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 May 2023 Security Updates.

Windows 11 servicing stack update - 22000.1879​

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​

Applies to	Symptom	Workaround
All users	After installing this or later updates, Windows devices with some third-party UI customization apps might not start up. These third-party apps might cause errors with explorer.exe that might repeat multiple times in a loop. The known affected third-party UI customization apps are ExplorerPatcher and StartAllBack. These types of apps often use unsupported methods to achieve their customization and as a result can have unintended results on your Windows device.	We recommend uninstalling any third-party UI customization app before installing this or later updates to prevent this issue. If your Windows device is already experiencing this issue, you might need to contact customer support for the developer of the app you are using. If you are using StartAllBack, you might be able to prevent this issue by updating to the latest version (v3.5.6 or later). We are presently investigating and will provide more information when it is available.
IT admins	You might have intermittent issues saving, copying, or attaching files using 32-bit apps, which are large address aware and using the CopyFile API. Windows devices are more likely to be affected by this issue when using some commercial or enterprise security software that uses extended file attributes. Microsoft Office apps, such as Microsoft Word or Microsoft Excel are only affected when using 32-bit versions and you might receive the error, "Document not saved." This issue is unlikely to be experienced by consumers using Windows devices in their home or on non-managed commercial devices. Apps are not affected by this issue if they are 64-bit or 32-bit and NOT large address aware.	This issue is addressed in KB5027223.

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 5026368.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 22000.1879.

Click to expand...

May 9, 2023—KB5026368 (OS Build 22000.1936) - Microsoft Support

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