CVE-2026-40376 Visual Studio Code Elevation of Privilege Vulnerability

High 7.5 Published Updated

An attacker can elevate privileges in Visual Studio Code via improper input validation, requiring users to apply the vendor patch.

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-2026-40376?

CVE-2026-40376 is a high-severity vulnerability in Microsoft Visual Studio Code, published on 9 Jun 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

Improper input validation in Visual Studio Code allows an unauthorized attacker to elevate privileges over a network.

Weakness: CWE-20

Which versions are affected by CVE-2026-40376?

It affects 1 product.

Products include Microsoft Visual Studio Code.

How do I fix CVE-2026-40376?

No fix has been published for CVE-2026-40376 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-40376 being exploited?

There is no known exploitation of CVE-2026-40376 in the wild and no public exploit code.

All Microsoft Visual Studio Code vulnerabilities

Sources

Also known as GHSA-rg3p-gp39-622w.

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