December 10, 2024—KB5048667 (OS Build 26100.2605)
Applies To
Windows 11 version 24H2, all editionsRelease Date:
12/10/2024
Version:
OS Build 26100.2605
11/12/24
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 2024. There will be a monthly security release for December 2024. Normal monthly servicing for both security and non-security preview releases will resume in January 2025.
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 24H2, see its update history page.
Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.
Important: Windows updates do not install Microsoft Store application updates. If you are an enterprise user, see Microsoft Store apps - Configuration Manager. If you are a consumer user, see Get updates for apps and games in Microsoft Store.
Tip: See the release notes for Windows Server 2025.
Highlights
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This update addresses security issues for your Windows operating system.
Improvements
This security update includes improvements that were a part of update KB5046740 (released November 21, 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.
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This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.
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 2024 Security Updates.
Windows 11 servicing stack update (KB5049685)- 26100.2592
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
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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 from www.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 updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
Install this update
To install this update, use one of the following Windows and Microsoft release channels.
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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 |
||||
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Yes |
Before you install this update To get the standalone package(s) for this update, go to the Microsoft Update Catalog website. This KB contains one or more MSU files that must be installed in order. Install this update Method 1: Install all MSU files together Download all MSU files for KB5048667 from Microsoft Update Catalog and place them in the same folder (for example, C:/Packages). Use Deployment Image Servicing and Management (DISM.exe) to install the target update. DISM will use the folder specified in PackagePath to discover and install one or more prerequisite MSU files as needed. Updating Windows PC To apply this update to a running Windows PC, run the following command from an elevated Command Prompt:
Or, run the following command from an elevated Windows PowerShell prompt:
Updating Windows Installation media To apply this update to Windows Installation media, see Update Windows installation media with Dynamic Update. To add this update to a mounted image, run the following command from an elevated Command Prompt:
Or, run the following command from an elevated Windows PowerShell prompt:
Method 2: Install each MSU file individually, in order Download and install each MSU file individually either using DISM or Windows Update Standalone Installer in the following order:
|
|
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 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 5048667.
For a list of the files that are provided in the servicing stack update, download the file information for the SSU (KB5049685) - version 26100.2592.
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