CVE-2026-21262CWE-284

SQL Server Elevation of Privilege Vulnerability

High · published March 10, 2026

CVSS v3.1

8.8

EPSS

2%

Percentile

81.4

In the wild

Unconfirmed

What it is

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: 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
CVSS v4.0: Not supplied
EPSS: 0.02080 · 81.4th percentile
Weakness: CWE-284 · Improper Access Control
Published: 2026-03-10T17:04Z

EPSS history

Timeline

10 MAR 17:04Z
SQL Server Elevation of Privilege Vulnerability
cvelistv5