Improper access control in Microsoft 365 Copilot for Android - CVE-2026-41100

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Main Vulnerability Database Vulnerabilities #VU131363

Improper access control in Microsoft 365 Copilot for Android - CVE-2026-41100

Published: May 13, 2026


Vulnerability identifier: #VU131363
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-41100
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft 365 Copilot for Android

Detailed vulnerability description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in Microsoft 365 Copilot for Android. A local user can perform spoofing attack on the target system.


How to mitigate CVE-2026-41100

Install updates from vendor's website.

Sources