CVE-2026-21257 PUBLISHED CVSS 8.800000190734863 HIGH

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.

EPSS 0.04% · 12.2th percentile

Risk Scores

CVSS v3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.04%
12.2th percentile

Affected Products

VendorProductVersions
microsoftvisual_studio_202618.3.0
MicrosoftMicrosoft Visual Studio 2022 version 17.1417.14.0
MicrosoftMicrosoft Visual Studio 2026 version 18.318.3.0
microsoftvisual_studio_202217.14.0

Timeline

References

Open in Interactive Console →