UPDATE 10/26:
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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 22H2, see its update history page.
Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.
For more information about security vulnerabilities, please refer to the Security Update Guide website and the October 2023 Security Updates.
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
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 5031354.
For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 22621.2423.
support.microsoft.com
Check Windows Updates
Direct download links for KB5031354 MSU file from Microsoft Update Catalog:
Download KB5031354 MSU for Windows 11 v22H2 64-bit (x64) - 605.1 MB
Download KB5031354 MSU for Windows 11 v23H2 64-bit (x64) - 605.1 MB
Download KB5031354 MSU for Windows 11 v22H2 ARM64 - 721.7 MB
Download KB5031354 MSU for Windows 11 v23H2 ARM64 - 721.7 MB
ISO from Microsoft:
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UUP Dump:
64-bit ISO download:
ARM64 ISO download:
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KB5031455 Windows 11 Cumulative Update Preview Build 22621.2506 (22H2) and 22631.2506 (23H2)
UPDATE 11/14: https://www.elevenforum.com/t/kb5032190-windows-11-cumulative-update-build-22621-2715-22h2-and-22631-2715-23h2.19801/ https://www.elevenforum.com/t/how-to-get-the-windows-11-2023-23h2-update.19364/...
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Microsoft Support:
October 10, 2023 - KB5031354 (OS Build 22621.2428)
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 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
This security update includes improvements that were a part of update KB5030310 (released September 26, 2023). When you install this KB:- To protect against CVE-2023-44487, you should install the latest Windows update. Based on your use case, you can also set the limit of the RST_STREAMS per minute using the new registry keys in this update.
Registry key Default value Valid value range Registry key function Http2MaxClientResetsPerMinute 400 0–65535 Sets the allowed number of resets (RST_STREAMS) per minute for a connection. When you reach this limit, a GOAWAY message is sent to client for the connection. Http2MaxClientResetsGoaway 1 0-1 Disables or enables the GOAWAY message to send when you reach the limit. If you set this to 0, the connection ends as soon as you reach the limit.
For more information about security vulnerabilities, please refer to the Security Update Guide website and the October 2023 Security Updates.
Windows 11 servicing stack update - 22621.2423
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 |
|---|---|---|
| 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. | To mitigate this issue in Microsoft Intune, you can set the “Enforce drive encryption type on operating system drives” or "Enforce drive encryption on fixed drives" policies to not configured. We are working on a resolution and will provide an update in an upcoming release. |
| 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). | To prevent users from encountering this issue, Copilot in Windows (in preview) might not be available on devices that have been used or are currently being used in a multimonitor configuration. We are working on a resolution and will provide an update in an upcoming release. |
| All users | Third-party wallpaper apps might not work as expected when Copilot in Windows (in preview) is opened. You might see the default wallpaper or the wallpaper set in Windows instead of your custom wallpaper set in the third-party wallpaper app. | This issue is addressed in KB5031455. To prevent users from encountering this issue, Copilot in Windows (in preview) might not be available on devices that have a third-party wallpaper app installed. |
How to get this update
Before installing this updateMicrosoft 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 5031354.
For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 22621.2423.
Source:
October 10, 2023—KB5031354 (OS Build 22621.2428) - Microsoft Support
support.microsoft.com
Check Windows Updates
Direct download links for KB5031354 MSU file from Microsoft Update Catalog:
Download KB5031354 MSU for Windows 11 v22H2 64-bit (x64) - 605.1 MB
Download KB5031354 MSU for Windows 11 v23H2 64-bit (x64) - 605.1 MB
Download KB5031354 MSU for Windows 11 v22H2 ARM64 - 721.7 MB
Download KB5031354 MSU for Windows 11 v23H2 ARM64 - 721.7 MB
ISO from Microsoft:
Download Official Windows 11 ISO file from Microsoft
This tutorial will show you how to download an official Windows Server or Windows 11 64-bit or ARM64 ISO file from Microsoft. Microsoft provides ISO files for Windows Server and Windows 11 to download. You can use these ISO files to clean install or in-place upgrade Windows 11. The Flight Hub...
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UUP Dump:
64-bit ISO download:
Select language for Windows 11, version 22H2 (22621.2428) amd64
Select language for Windows 11, version 22H2 (22621.2428) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net
ARM64 ISO download:
Select language for Windows 11, version 22H2 (22621.2428) arm64
Select language for Windows 11, version 22H2 (22621.2428) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net
UUP Dump - Download Windows Insider ISO
UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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