Microsoft Launches Extended Security Update Program for Windows 10 Users
ID: a1a12b3c-d2a0-5b0c-ab0f-52a13ebe8a69
STIX ID: report--a1a12b3c-d2a0-5b0c-ab0f-52a13ebe8a69
Feed Name: GBHackers
Microsoft released KB5075912 on February 10, 2026 for Windows 10 devices enrolled in the Extended Security Updates (ESU) program; the update addresses several critical security and stability issues, fixes a Secure Launch shutdown/hibernation bug, updates Chinese fonts for GB18030-2022A compliance, and implements a phased rollout of replacement Secure Boot certificates ahead of certificate expirations starting June 2026. The advisory highlights the servicing stack update KB5077456 for improved certificate validation (especially for Azure-hosted devices) and urges administrators to apply updates to avoid secure-boot disruptions.
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