CVE-2026-85885

Microsoft · Published September 17, 2026

9.9

CVSS v3.1

CRITICAL

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.

Affected Products

CVSS Vector

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