CVE-2026-21257

No fix known EPSS <1%CVSS 8.0

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker to elevate privileges over a network.

Published 2026-02-10 · CVE record · OSV

Products: Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.3