CVE-2026-41614: Microsoft 365 Copilot

Medium severity, CVSS 6.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.

Affected products

• Microsoft 365 Copilot: before 19.2604.43111.0 (fixed in 19.2604.43111.0)

Published 2026-05-12. Last modified 2026-06-17.