PublicCVE

CVE-2026-85887

HIGH7.7

Description

Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.

CVSS breakdown

CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
E
Unchanged
RL
O
RC
Changed
Updated 29m ago · 8 sources