Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
CVE-2026-70189
CVSS base score
6.7 (v3.1)
Severity
MEDIUM
Attack vector
Local
Weakness
CWE-122
Last modified
October 30, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H