Win11 released kb5007215 security patch and announced that the preview version was updated in December due to the holiday


On November 10, the patch for windows 11 kb5007215 is now being released to users outside the windows insiders program.

According to the official description, Microsoft only revealed that the update was to strengthen the security of the operating system windows and fix a bug.

It is worth mentioning that Microsoft also announced that due to the upcoming holidays and western new year, it will reduce operations during this period. Therefore, there will be no optional preview update (also known as version C) in December 2021, and only one mandatory Tuesday update (also known as version b) will be launched. The normal monthly services of versions B and C will be restored in January 2022.


Update the security of the operating system windows.

Improvement and repair

This security update includes quality improvements. Key changes include:

Solve the problem that some applications may get unexpected results when rendering some user interface elements or drawing in applications. This problem may be encountered in applications that use gdi+ and set zero (0) width pen objects on displays that use high dots per inch (DPI) or resolution, or if the application is using zoom.

If you have installed previous updates, the new fixes contained in this package will be downloaded and installed only on your device.

For more information about the resolved security vulnerabilities, please refer to the security update guide website and the November 2021 security update.

Windows 11 service stack update – 22000.280

This update improves the quality of the service stack, which installs windows components. Service stack update (SSU) ensures a reliable service stack so that devices can receive and install Microsoft updates.

Known issues in this update

Microsoft is currently unaware of any issues with this update.

Security update in November 2021

This release contains security updates for the following products, features, and roles.

3D Viewer


Azure RTOS

Azure Sphere

Microsoft Dynamics

Microsoft edge (based on chromium)

Microsoft edge in IE mode (based on chromium)

Microsoft Exchange Server

Microsoft Office

Microsoft Office Access

Microsoft Office Excel

Microsoft Office SharePoint

Microsoft Office Word

Microsoft Windows codec library

Microsoft Windows

Power BI

Windows Hyper-V

Visual Studio

Visual Studio Code

Windows Active Directory

Windows COM

Windows Core Shell

Windows Cred SSProvider Protocol

Windows Defender

Windows Desktop Bridge

Windows diagnostic center

Windows fastfat driver

Windows Feedback Hub

Windows Hello

Windows Installer

Windows Kernel

Windows NTFS

Windows RDP

Windows Scripting

Windows Virtual Machine Bus