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CVE-2026-62911CriticalMonitor

Microsoft Exchange Server Elevation of Privilege Vulnerability

Severity Critical  ·  Urgency Monitor

Why it matters: Critical severity (CVSS 8)

Elevation of Privilege · Critical · CVSS 8. Affects: Exchange Server.

CVSS 8EPSS 0.7%Security update published 2026-08-23Applies to On-premisesNVD

Affected: Exchange Server

Related changes

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