CyberICT

CVE-2026-21518

Microsoft · Published February 10, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability. Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Affected Products

  • Visual Studio Code
  • Microsoft Visual Studio Code CoPilot Chat Extension

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C