CVE-2026-20803
HIGHSQL Server - Privilege Escalation
Title source: llmDescription
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Scores
CVSS v3
7.2
EPSS
0.0006
EPSS Percentile
17.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Classification
CWE
CWE-306
Status
published
Affected Products (2)
microsoft/sql_server_2022
< 16.0.1165.1
microsoft/sql_server_2025
Timeline
Published
Jan 13, 2026
Tracked Since
Feb 18, 2026