Event Brief
Microsoft Secure Boot bypasses via unrevoked shims
Filed: Jul 15, 2026 at 4:00 PM ET
Summary: Unrevoked legacy shims have enabled Secure Boot bypasses for about a decade.
WHO: Microsoft
WHAT: Legacy, unrevoked shims enabled Secure Boot bypasses.
WHEN: Jul 14, 2026 at 6:20 PM ET
WHERE: Location not specified
WHY: Old shims Microsoft failed to revoke made Secure Boot bypasses simple.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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