CVE-2026-21518

Published Feb 10, 2026

Last updated 16 days ago

Overview

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.
Source
secure@microsoft.com
NVD status
Modified
Products
visual_studio_code

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-77

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.