CVE-2026-67368 Microsoft SQL Server Elevation of Privilege Vulnerability

High 8.8 Published 8 Sep 2026 Updated 27 Oct 2026

An authorized attacker can elevate privileges via improper link resolution in Microsoft SQL Server, requiring a patch to mitigate.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-67368?

CVE-2026-67368 is a high-severity path traversal vulnerability in Microsoft Sql Server 2017, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper link resolution before file access ('link following') in SQL Server allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-59

Which versions are affected by CVE-2026-67368?

It affects 4 products.

Products include Microsoft Sql Server 2017, Microsoft Sql Server 2019, Microsoft Sql Server 2022, Microsoft Sql Server 2025.

How do I fix CVE-2026-67368?

No fix has been published for CVE-2026-67368 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-67368 being exploited?

There is no known exploitation of CVE-2026-67368 in the wild and no public exploit code.

All Microsoft Sql Server 2017 vulnerabilities

Sources

Also known as GHSA-fm4w-j23h-7p7j.