CVE-2026-21256 — GitHub Copilot and Visual Studio Remote Code Execution Vulnerability

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to execute code over a ne…

Published: 2026-02-10 · CVSS: 8.8 · CVSS 3.1

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to execute code over a network.

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7