MC979510 – M365 Change Digest

One-line summary

January 2025 security update for Windows is now available, including quality and security improvements; prompt installation is recommended for all supported versions.

Similar updates

Details

Body (from Message Center)

The January 2025 security update is now available for all supported versions of Windows. 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.

Highlights for the Windows 11, version 24H2 update:

This security update includes improvements that were a part of update KB5048667 (released December 10, 2024).
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.
This update includes additions to the vulnerable driver blocklist, improving protection against vulnerable driver attacks.

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

For instructions on how to install this update, see the KB for your operating system listed below:

Windows 11, versions 24H2: KB5050009
Windows 11, versions 23H2 and 22H2: KB5050021
Windows 10, versions 22H2 and 21H2: KB5049981
Windows 10 Enterprise LTSC 2019 and Windows Server 2019: KB5050008
Windows 10 LTSB 2016 and Windows Server 2016: KB5049993
Windows 10 LTSB 2015: KB5050013
Windows Server 2025: KB5050009
Windows Server 2022: KB5049983
Windows Server 2012 R2: Monthly Rollup: KB5050048
Windows Server 2012: Monthly Rollup: KB5050004
Windows Server 2008 R2 Service Pack 1: Monthly Rollup: KB5050049 / Security Only: KB5050006
Windows Server 2008 SP2: Monthly Rollup: KB5050063 / Security Only: KB5050061

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    "severity": "normal",
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