GCVE-110-NCSC-2026-56

Advisory PublishedCVSS 6.5/10

Vulnetix · Advisory published February 10, 2026

A vulnerability in GitHub Copilot and Visual Studio Code allows unauthorized command injection, enabling attackers to bypass security features over a network.

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Weaknesses (CWE)

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionCWE-166Improper Handling of Missing Special Element

Risk Scores

CVSS 3.1

6.5/10

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

Affected Products

Vendor	Product	Versions	Platforms
Microsoft	vers:unknown/*	—	—

Aliases

CVE-2026-21218 CVE-2026-21256 CVE-2026-21257 CVE-2026-21516 CVE-2026-21518 CVE-2026-21523

References

advisory

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