kb5120994

Windows 11 Enterprise 24H2 devices enrolled in Microsoft’s Hotpatch program received KB5120994 on August 11, 2026, a security-only update that installs without a restart. Microsoft’s updated Hotpatch release notes and Windows release-health calendar confirm the package advances eligible 24H2...

Microsoft’s August 11 Hotpatch release, KB5120994, moves enrolled Windows 11 25H2 and 24H2 devices to OS builds 26200.9106 and 26100.9106 without being the regular August cumulative update. That distinction is the practical issue for administrators: systems on the Hotpatch track should validate...