CVE-2026-24299: Microsoft 365 Copilot

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft 365 Copilot: affected versions not specified

Published 2026-03-19. Last modified 2026-06-17.