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Description of the security update for Microsoft Exchange Server 2016 CU23: August 11, 2026 (KB5121576)

🗓️ 11 Aug 2026 14:00:00Reported by MicrosoftType 
mskb
 mskb
🔗 support.microsoft.com👁 6 Views

Security update for Microsoft Exchange Server 2016 CU23 released August 11, 2026 (KB5121576).

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11 Aug 2026 14:00Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.18.8
SSVC
6