Oct 2026: Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-65674 Published on October 13, 2026
Microsoft SQL Server Remote Code Execution Vulnerability
Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code 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-2026-65674 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-65674
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Affected Versions
Microsoft SQL Server 2019 (GDR):- Version 15.0.0 and below 15.0.2200.2 is affected.
- Version 15.0.4003.23 and below 15.0.4500.2 is affected.
- Version 16.0.0 and below 16.0.1210.3 is affected.
- Version 16.0.4003.1 and below 16.0.4305.5 is affected.
- Version 17.0.4006.2 and below 17.0.5015.4 is affected.
- Version 17.0.1050.2 and below 17.0.1145.4 is affected.