SQL injection in Microsoft SQL Server - CVE-2026-118109
Published: November 11, 2026
Vulnerability identifier: #VU165017
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-2026-118109
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges and execute database commands with elevated privileges.
The vulnerability exists due to improper neutralization of special elements used in SQL commands in Microsoft SQL Server when processing user-supplied requests. A remote user can send a specially crafted request to an affected service to inject SQL commands and execute them with elevated privileges.
Affected software
Microsoft SQL Server
How to mitigate CVE-2026-118109
Install security update from vendor's website.
Microsoft SQL Server - addressed in versions 14.0.2150.2, 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