CVE-2026-85887
Medium
Elevated severity or exploit probability.
CVSS base
7.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS — probability of exploitation (30 days)
0.9%
56.7th percentile
CISA KEV
Not listed
Weakness / dates
CWE-732
Published 2026-09-18 · modified 2026-09-18
Description
Incorrect permission assignment for critical resource in M365 Copilot allows an authorized attacker to disclose information over a network.