CVE-2026-21518

—

CVSS 3.1

8.8 high

EPSS

1%p71

Published

Feb 10, 2026 (Feb 10, 2026)

Modified

Jun 17, 2026

Description

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.

Vendors: microsoft
Products: visual studio code
Weakness: CWE-77
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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