Description
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft 365 Copilot for Android | 1.0 – < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft | Microsoft Excel for Android | 16.0.0.0 – < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft | Microsoft Loop for Android | 1.0.0 – < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft | Microsoft OneNote for Android | 16.0.1 – < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft | Microsoft PowerPoint for Android | 16.0.0.0 – < 16.0.19822.20190 | 16.0.19822.20190 |
| Microsoft | Microsoft Word for Android | 16.0.0.0 – < 16.0.19822.20190 | 16.0.19822.20190 |
Advisories 2
- MSRC-CVE-2026-41100 Microsoft 365 Copilot for Android Spoofing Vulnerability Microsoft Security Response Center · Jun 9, 2026
- WID-SEC-2026-1484 Microsoft Word für Android und 365 Copilot: Mehrere Schwachstellen ermöglichen Darstellen falscher Informationen BSI CERT-Bund (WID) · May 12, 2026
References
- Microsoft 365 Copilot for Android Spoofing Vulnerability vendor-advisory patch