Description
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft 365 Copilot's Business Chat | - | — |
Advisories 2
- WID-SEC-2026-1411 Microsoft 365 Copilot Business Chat: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen BSI CERT-Bund (WID) · May 7, 2026
- MSRC-CVE-2026-26164 M365 Copilot Information Disclosure Vulnerability Microsoft Security Response Center · May 7, 2026
References
- M365 Copilot Information Disclosure Vulnerability vendor-advisory patch