Microsoft Issues Critical WinRE and Setup Updates Ahead of 2026 Secure Boot Certificate Expiration
ID: e1ca52b7-8f76-592d-9bc3-085f2670694f
STIX ID: report--e1ca52b7-8f76-592d-9bc3-085f2670694f
Feed Name: cybersecurityNews.com
**Microsoft released dynamic updates KB5081494 and KB5083482 (March 26, 2026) for Windows 11 24H2/25H2 to improve setup binaries and the Windows Recovery Environment, and issued a critical advisory that Secure Boot certificates will begin expiring in June 2026 — administrators must update certificates to avoid widespread boot failures.**
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