August 13, 2024—KB5041571 (OS Build 26100.1457) (2024)

Windows 11 version 24H2, all editions More...Less

Release Date:

8/13/2024

Version:

OS Build 26100.1457

Forinformation about Windows update terminology, see the articleabout thetypes of Windows updatesand themonthly quality update types.

NoteFollow@WindowsUpdateto find out when new content is published to the Windows release health dashboard.

Important:Windows 11, version 24H2 is targeting Copilot+ PCs devices and devices that were previously using Windows Insider 24H2 builds.

Highlights

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

Improvements

This security update includes improvements that were a part of update KB5040529 (released July 23, 2024). Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well.The bold text within the brackets indicates the item or area of the change we are documenting.

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 August 2024 Security Updates.

Windows 11servicing stack update (KB5041575)- 26100.1440

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

We’re aware of an issue where players on Arm devices are unable to download and play Roblox via the Microsoft Store on Windows.

Players on Arm devices can play Roblox by downloading the title directly fromwww.Roblox.com.

How to get this update

Before you install 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 updatesandServicing Stack Updates (SSU): Frequently Asked Questions.

Install this update

To 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 theMicrosoft Update Catalogwebsite.

Available

Next Step

Yes

This update will automatically syncwith Windows Server Update Services (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 nameby 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 thefile information for cumulative update 5041571.

For a list of the files that are provided in the servicing stack update, download thefile information for the SSU (KB5041575) - version 26100.1440.

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