CVE-2026-78462 Visual Studio Code Security Feature Bypass Vulnerability

High 8.8 Published 8 Sep 2026 Updated 14 Oct 2026

An attacker can bypass security features in Visual Studio Code via user-controlled keys, requiring a patch to mitigate.

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-2026-78462?

CVE-2026-78462 is a high-severity vulnerability in Microsoft Visual Studio Code, 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

Authorization bypass through user-controlled key in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Weakness: CWE-639

Which versions are affected by CVE-2026-78462?

It affects 1 product.

Products include Microsoft Visual Studio Code.

How do I fix CVE-2026-78462?

No fix has been published for CVE-2026-78462 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-78462 being exploited?

There is no known exploitation of CVE-2026-78462 in the wild and no public exploit code.

All Microsoft Visual Studio Code vulnerabilities

Sources

Also known as GHSA-hmqv-jrj9-68xx.