CVE-2026-23653: Microsoft GitHub Copilot Chat

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft GitHub Copilot Chat: before 0.37.3 (fixed in 0.37.3)

Published 2026-04-14. Last modified 2026-06-17.