CVE-2026-88082

7.0High

Published 13 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash

7.0High

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-122

Impact

Local authenticated attackers can escalate privileges to full system control on the host running SQL Server. They need local access and an existing low-privileged account on the target machine.

Root cause

A heap-based buffer overflow in SQL Server memory handling allows memory corruption.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the security update from Microsoft for your SQL Server release; restrict local operating system access to SQL Server hosts if patching must wait.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

Ad · In-content banner

NVD description

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88082

Source: nvd.nist.gov/vuln/detail/CVE-2026-88082