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CVE-2026-41100

Microsoft 365 Copilot for Android Spoofing Vulnerability

CVSS 4.4 MEDIUMEPSS 0.2%CWE-284
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
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
Affected products
Microsoft · Microsoft 365 Copilot for AndroidMicrosoft · Microsoft Excel for AndroidMicrosoft · Microsoft Loop for AndroidMicrosoft · Microsoft OneNote for AndroidMicrosoft · Microsoft PowerPoint for AndroidMicrosoft · Microsoft Word for Android

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References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41100