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May 12, 2026—KB5087541 (OS Build 25398.2330)

🗓️ 12 May 2026 14:00:00Reported by MicrosoftType 
mskb
 mskb
🔗 support.microsoft.com👁 53 Views

Windows Server 23H2 KB5087541 update adds Egypt DST support and fixes; Secure Boot certificates expire June 2026.

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12 May 2026 14:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17 - 9.8
CVSS 47.3
EPSS0.99979
SSVC
53