CVE-2026-21256
High
CVSS 8.8Description
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.
CVSS Score
8.8/ 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness Classification (CWE)
Risk Assessment
STANDARDNo elevated risk factors detected.
Details
- Severity
- High
- CVSS
- 8.8
- CWE
- CWE-77
- CISA KEV
- No
- Articles
- 1
Timeline
Published
Feb 10, 2026