Aug 2026: Microsoft Exchange Server Denial of Service Vulnerability
CVE-2026-62912 Published on August 11, 2026
Microsoft Exchange Server Denial of Service Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-62912 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-62912
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Affected Versions
Microsoft Exchange Server 2016 Cumulative Update 23:- Version 15.01.0.0 and below 15.01.2507.072 is affected.
- Version 15.02.0.0 and below 15.02.1544.044 is affected.
- Version 15.02.0.0 and below 15.02.1748.049 is affected.
- Version 15.02.0.0 and below 15.02.2562.046 is affected.