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CVE-2026-85887

nvd nist
Published: Sep 18, 2026Modified: Sep 28, 2026

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7.7
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Exploitability: 3.1 / Impact: 4.0
Source: secure@microsoft.com (Secondary)

Description

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

Affected (1)

Microsoft
1 product
365 Copilot
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
365 Copilot
All versions

Related CWEs

CWE-732
Incorrect Permission Assignment for Critical Resource
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.