Microsoft Releases KB5089573 for Windows 11 to Fix Patch Tuesday Install Issues
ID: 9c3a1535-114a-57a7-b86d-e29302b28a36
STIX ID: report--9c3a1535-114a-57a7-b86d-e29302b28a36
Feed Name: cybersecurityNews.com
Microsoft released cumulative update KB5089573 for Windows 11 25H2 and 24H2 to permanently fix an installation failure (error 0x800f0922) caused by limited free space on the EFI System Partition after the May 2026 Patch Tuesday update; the update (which also includes AI component refreshes, personalization improvements, and a servicing stack update) is broadly available via Windows Update, the Microsoft Update Catalog, and enterprise deployment channels, and Microsoft reports no known issues with the release.
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