Oct 2026: SQL Server Elevation of Privilege Vulnerability
CVE-2026-96956 Published on October 13, 2026
SQL Server Elevation of Privilege Vulnerability
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-96956 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2026-96956
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Affected Versions
Microsoft SQL Server 2017 (GDR):- Version 14.0.0 and below 14.0.2140.2 is affected.
- Version 14.0.3006.16 and below 14.0.3560.2 is affected.
- 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.