MC697655 – Take action: December 2023 security update is now available Icon

check before: 2023-12-26




Windows Desktop, World tenant


Change type:

Admin impact



The December 2023 security update release is now available for Windows 11 and all supported versions of Windows 10. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages. To learn more about the different types of monthly quality updates, see Windows monthly updates explained. To be informed about the latest updates and releases, follow us on X @WindowsUpdate.

Highlights for the Windows 11, versions 23H2 and 22H2 update:
This security update includes improvements that were a part of update KB5032288 (released December 4, 2023).
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.

Short on time? Watch our short Windows 11 update release notes video for this month's tips.

IMPORTANT After February 2024, there are no more optional, non-security preview releases for Windows 11, version 22H2. Only cumulative monthly security updates (known as the "B" or Update Tuesday release) will continue for this version. Windows 11, version 23H2 and Windows 10, version 22H2 will continue to receive security and optional releases.

IMPORTANT Because of reduced operations during the Western holidays and the upcoming new year, there won’t be a non-security preview release for the month of December 2023. Non-security preview releases will resume in January 2024.

For instructions on how to install this update for your operating system, see the KB for your OS listed below:
Windows 11, version 23H2: KB5033375
Windows 11, version 22H2: KB5033375
Windows 11, version 21H2: KB5033369
Windows 10, version 22H2: KB5033372
Windows 10, version 21H2: KB5033372
Windows 10 Enterprise LTSC 2019 and Windows Server 2019: KB5033371
Windows 10 LTSB 2016 and Windows Server 2016: KB5033373
Windows 10 LTSB 2015: KB5033379
Windows Server 2022: KB5033118
Windows Server 2012 R2: Monthly Rollup: KB5033420
Windows Server 2012: Monthly Rollup: KB5033429
Windows Server 2008 R2 Service Pack 1: Monthly Rollup: KB5033433 / Security Only: KB5033424
Windows Server 2008 Service Pack 2: Monthly Rollup: KB5033422 / Security Only: KB5033427

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