CVE-2026-88088 HIGH

CVE-2026-88088: Microsoft SQL Server Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft SQL Server 2019 (GDR)
Weakness CWE-190
Published October 13, 2026
Last update October 16, 2026

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Integer overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 16, 2026 Record updated