MICROSOFT RELEASES WINDOWS 11 KB5089573 UPDATE

INDUSTRY DESK■ 1 MIN READ

WED, MAY 27, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

Microsoft has released the KB5089573 preview cumulative update for Windows 11 versions 25H2 and 24H2. The update includes 30 changes focused on performance and reliability improvements.

The KB5089573 update is now available for Windows 11 users running the latest versions. The cumulative update addresses multiple system components with the goal of enhancing overall performance and stability. The 30 changes bundled in this preview release target both performance optimization and reliability enhancements. Users on versions 25H2 and 24H2 can access the update through Windows Update or manual download. As a preview cumulative update, KB5089573 is designed to test improvements before broader rollout. Organizations and individual users can evaluate the changes and report feedback to Microsoft. This update is part of Microsoft's ongoing effort to refine Windows 11 functionality. The release continues the monthly cadence of updates aimed at maintaining system performance and addressing reported issues across supported versions.

■ SOURCES

► Bleeping Computer

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

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MICROSOFT RELEASES WINDOWS 11 KB5089573 UPDATE

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