os build 26200 7781

This tag covers discussions about Windows OS Build 26200.7781, a specific build number associated with a hotpatch update from Microsoft. The content focuses on KB5077212, a February 2026 security hotpatch that advances client systems to build 26200.7781 and server/24H2 systems to 26100.7781. The update is described as a compact, no-restart hotpatch delivering miscellaneous security improvements to internal OS functionality. It includes a servicing-stack component and has no known issues listed by Microsoft at publication. The tag is relevant for users tracking specific Windows build versions, hotpatch deployments, and security updates for both client and server environments.