CVE-2026-21256
High · 8.8CVSS
8.8
EPSS
1.2%
Published
Feb 10, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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