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KB5123303: Security Update (OS Build 20348.5440)

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mskb
 mskb
🔗 support.microsoft.com👁 243 Views

Security update OS Build 20348.5499 for Windows Server addresses multiple security issues.

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11 Aug 2026 14:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.8 - 7.9
EPSS0.00333
SSVC
243