Dashboard / CVE-2026-85887

CVE-2026-85887

HIGH
MEDIUM Priority: 0.06 BB Relevance: 66/100
Published: 2026-09-17 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Changed
C: High
I: None
A: None

Description

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

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
Microsoft Microsoft 365 Copilot -

References & Advisories (1)

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C

EPSS — Exploitation Probability

0.84%
Raw Score 0.008400
Percentile 57.8%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links