CVE-2026-67625
8.5HighPublished 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-122
Impact
Authenticated attackers with network access can execute arbitrary code on the host, potentially escaping to compromise the underlying system. Exploitation requires low-privileged credentials and relies on complex conditions.
Root cause
A heap-based buffer overflow flaw exists in SQL Server's memory management.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Fix & remediation
Install the security update from the Microsoft MSRC advisory once released; until patched, restrict network access to SQL Server ports (e.g., TCP 1433) using firewall rules to trusted client IPs only.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.