Code Injection in Visual Studio Code - CVE-2026-120779
Published: November 11, 2026
Vulnerability identifier: #VU165413
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-120779
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code with the user's permissions.
The vulnerability exists due to improper control of code generation in Visual Studio Code when interacting with an attacker-controlled remote MCP server. A remote attacker can convince a user to connect Visual Studio Code to that server and click a specially crafted link in a notification to execute arbitrary code with the user's permissions.
Affected software
Visual Studio Code
How to mitigate CVE-2026-120779
Install security update from vendor's website.
Visual Studio Code - update to 1.145.3