Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-68883
CVSS base score
8.5 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-122
Last modified
October 30, 2026
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H