Untrusted Pointer Dereference in Microsoft SQL Server - CVE-2026-116934

 

Untrusted Pointer Dereference in Microsoft SQL Server - CVE-2026-116934

Published: November 11, 2026


Vulnerability identifier: #VU164997
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-116934
CWE-ID: CWE-822
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to escalate privileges in the SQL Server service context.

The vulnerability exists due to untrusted pointer dereference in Microsoft SQL Server when processing requests for an affected database operation. A remote user can send a specially crafted network request with permission to execute that operation to gain elevated privileges in the SQL Server service context.


Affected software

Microsoft SQL Server

How to mitigate CVE-2026-116934

Install security update from vendor's website.

Microsoft SQL Server - addressed in versions 14.0.3570.2, 15.0.2210.4, 15.0.4510.2, 16.0.1220.3, 16.0.4315.2, 17.0.1155.3, 17.0.5045.3

External References

Related Security Bulletins