CVE-2026-85885: Microsoft 365 Copilot

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized attacker to elevate privileges over a network.

Affected products

• Microsoft 365 Copilot: affected versions not specified

Published 2026-09-17. Last modified 2026-09-25.