CVE-2026-78501 HIGH 8.6
Published: 2026-09-17 23:18:45 UTC · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Categories: Windows
Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-77, CWE-923
Affected products
cpe:2.3:a:microsoft:365_copilot_chat:-:*:*:*:*:*:*:*