CVE-2026-85887

7.7 highEPSS 0.8%

High (7.7) in microsoft 365 copilot. EPSS 0.8% chance of exploitation in the next 30 days.

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

Severity

7.7 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2026-09-18
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19