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May 12, 2026—KB5087545 (OS Build 20348.5139)

🗓️ 12 May 2026 14:00:00Reported by MicrosoftType 
mskb
 mskb
🔗 support.microsoft.com👁 333 Views

Cumulative Windows Server 2022 update KB5087545 20348.5139; Secure Boot fixes and certificate guidance.

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12 May 2026 14:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17 - 9.8
CVSS 47.3
EPSS0.99938
SSVC
333