CVE-2026-85885

CRITICAL CVSS 9.9 View on NVD ↗

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85885

Published: Sep 17, 2026 23:18 UTC Modified: Sep 18, 2026 15:17 UTC