CVE-2026-96956
8.0HighPublished 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-121
Impact
Authenticated high-privilege attackers can achieve full system takeover across security boundaries over the network. They require an existing high-privileged SQL Server account to trigger the exploit.
Root cause
A stack-based buffer overflow in SQL Server mishandles input memory, allowing code execution outside the database engine boundary.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Fix & remediation
Check the MSRC link to find and install the specific Cumulative Update or GDR for your SQL Server version; if you cannot patch immediately, restrict network access to port 1433 and audit high-privileged SQL accounts.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.