CVE-2026-85876

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-416

Impact

An authenticated local attacker can elevate privileges to compromise confidentiality, integrity, and availability. They need local system access and valid low-privilege credentials on the host.

Root cause

A use-after-free condition in SQL Server allows memory corruption during execution.

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

Apply the vendor security update for your SQL Server version from the Microsoft advisory; restrict local logon permissions on the host if immediate patching is not possible.

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

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NVD description

Use after free in SQL Server allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85876

Source: nvd.nist.gov/vuln/detail/CVE-2026-85876