CVE-2026-85887EPSS p56.4%

CVE-2026-85887CVE-2026-85887

microsoft / 365_copilot

Description

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

Scoring

CVSS 7.7 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS0.84% probability of exploitation · percentile 56.4% · 2026-10-05T12:00:23Z
Last modified2026-09-28
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.