Microsoft’s February 10, 2026 ESU rollup, KB5075912, raises Windows 10 22H2 to Build 19045.6937 while quietly widening the platform-level work that will keep Secure Boot functional as Microsoft’s 2011 Secure Boot certificate authorities approach expiry later this year. The update is small on the surface — fixes for fonts, File Explorer renaming, and a GPU stability patch — but it carries two high-impact changes IT teams must treat as urgent: a fix for a shutdown/hibernation regression that...