CVE-2026-85885: Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an authorized
Summary
M365 Copilot has a command injection vulnerability (a flaw where special characters in user input can trick the system into running unintended commands), which allows an authorized attacker to gain higher privileges over a network. The vulnerability affects users who already have some level of access to the system.
Vulnerability Details
9.9(critical)
EPSS: 0.0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
network
low
low
none
September 17, 2026
Classification
Affected Vendors
Related Issues
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-85885
First tracked: September 17, 2026 at 08:07 PM
Classified by LLM (prompt v3) · confidence: 85%