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Microsoft Security Baselines Blog
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Windows 11, version 25H2 security baseline

Rick_Munck's avatar
Rick_Munck
Icon for Microsoft rankMicrosoft
Sep 30, 2025

Microsoft is pleased to announce the release of the security baseline package for Windows 11, version 25H2!

Microsoft is pleased to announce the security baseline package for Windows 11, version 25H2! You can download the baseline package from the Microsoft Security Compliance Toolkit, test the recommended...
Updated Sep 30, 2025
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fjwolz19's avatar
fjwolz19
Copper Contributor
May 14, 2026

Are 25H2 baselines compatible with 23H2/24H2?  I've not been able to find definitive documenation that says whether we need to create separate baselines for each Build of Windows 11, or if we can just add/update the changes each iteration.