CVE-2026-69805 .NET Elevation of Privilege Vulnerability

High 7.5 Published Updated

An attacker can elevate privileges via external control of file names or paths in Microsoft Visual Studio and related .NET components.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-69805?

CVE-2026-69805 is a high-severity vulnerability in Microsoft Visual Studio 2022, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

External control of file name or path in .NET allows an unauthorized attacker to elevate privileges over a network.

Weakness: CWE-73, CWE-522, CWE-200

Which versions are affected by CVE-2026-69805?

It affects 3 products.

Products include Microsoft Microsoft.diagnostics.runtime, Microsoft Visual Studio 2022, Microsoft Visual Studio 2026.

How do I fix CVE-2026-69805?

No fix has been published for CVE-2026-69805 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-69805 being exploited?

There is no known exploitation of CVE-2026-69805 in the wild and no public exploit code.

Sources

Also known as GHSA-4pxg-8538-m58j.

Is CVE-2026-69805 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free