CVE-2026-26115highCWE-1287

CVE-2026-26115: high-severity vulnerability in Microsoft SQL Server 2016 Service Pack 3 Azure…

SQL Server Elevation of Privilege Vulnerability

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 1.3%
In short

SQL Server fails to properly validate certain user inputs, allowing someone with legitimate access to gain higher privileges on the system over a network. This means an authorized user could become an administrator without permission.

Technical detail

An authenticated attacker can exploit improper input validation in SQL Server to escalate privileges over the network. The vulnerability requires valid credentials but allows lateral privilege elevation, potentially leading to full administrative control of the SQL Server instance.

Summary generated and translated by AI from the official description.
Improper validation of specified type of input in SQL Server allows an authorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C