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December Patch Day Security Update For Windows 11

Windows 11

Microsoft released a security update for the recently released Windows 11 on December patch day. This update fixes a number of bugs and security vulnerabilities and is available to all users who have already made the switch.

The update for Windows 11 is the regular December patch that will be distributed immediately. The update can already be obtained via the Windows update function. The update brings the build to the new version number 22000.376. The initial release had the build number 22000.194. Microsoft has already summarized the most important changes for the new version. We have translated the highlights of the update for you and added them to the end of this post. As usual, there is an article on the Windows 11 patch in the Microsoft Knowledge Base, which can be found under KB5008215.

Some Details are Absent

The update is available to all users who have already installed Windows 11. However, Microsoft has not yet disclosed many details in the Knowledge Base about the changes in this update. This is not unusual – the information about the changes has been kept very brief at the patch days for months. For security-relevant changes, the release notes will be updated in the days after the start. The following information can already be found:

Major Highlights

Updates security for your Windows operating system.

Improvements and fixes

This security update contains quality improvements. The main changes are:

  • This update contains various security improvements to internal operating system functions. No additional issues have been documented for this version.
  • If you have installed previous updates, only the new fixes contained in this package will be downloaded and installed on your device.

Windows 11 Servicing Stack Update – 22000.345

  • This update makes quality improvements to the servicing stack, the component that installs Windows updates. Servicing Stack Updates (SSU) ensure that you have a stable and reliable servicing stack so that your devices can receive and install Microsoft updates.

For more information on the security vulnerabilities that have been fixed, see the Security Update Guide and the December 2021 security updates.

Known issues

Microsoft is currently not aware of any issues with this update.

Mark Goodman

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