CVE-2026-65669 CRITICAL

CVE-2026-65669: Microsoft SQL Server Elevation of Privilege Vulnerability

Vendor Microsoft
Product SQL Server Management Studio 22
Weakness CWE-74
Published September 8, 2026
Last update September 29, 2026
View on NVD All CVEs

CVSS base score

9.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 29, 2026 Record updated

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