CVE-2026-41100 MEDIUM

CVE-2026-41100: Microsoft 365 Copilot for Android Spoofing Vulnerability

Vendor Microsoft
Product Microsoft 365 Copilot for Android
Weakness CWE-284
Published May 12, 2026
Last update June 9, 2026

CVSS base score

4.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
June 9, 2026 Record updated