Sep 2026: Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-69380 Published on September 8, 2026
Microsoft Exchange Server Elevation of Privilege Vulnerability
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-69380 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-69380
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Affected Versions
Microsoft Exchange Server 2016 Cumulative Update 23:- Version 15.01.0.0 and below 15.01.2507.073 is affected.
- Version 15.02.0.0 and below 15.02.1544.046 is affected.
- Version 15.02.0.0 and below 15.02.1748.051 is affected.
- Version 15.02.0.0 and below 15.02.2562.049 is affected.