Sep 2026: Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-69355 Published on September 8, 2026
Microsoft Exchange Server Remote Code Execution Vulnerability
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
Weakness Type
External Control of File Name or Path
The software allows user input to control or influence paths or file names that are used in filesystem operations.
Products Associated with CVE-2026-69355
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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.