CVE-2026-50519: Microsoft GitHub Copilot Chat

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft GitHub Copilot Chat: affected versions not specified

Published 2026-06-19. Last modified 2026-08-17.