Description
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | M365 Copilot for Desktop | 1.0.0 – < 19.2604.43111.0 | 19.2604.43111.0 |
Advisories 2
- WID-SEC-2026-1484 Microsoft Word für Android und 365 Copilot: Mehrere Schwachstellen ermöglichen Darstellen falscher Informationen BSI CERT-Bund (WID) · May 12, 2026
- MSRC-CVE-2026-41614 M365 Copilot for Desktop Spoofing Vulnerability Microsoft Security Response Center · May 12, 2026
References
- M365 Copilot for Desktop Spoofing Vulnerability vendor-advisory patch