{"id":"CVE-2026-78501","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-78501","summary":"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.","details":"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.","published":"2026-09-17T23:18:45.770","modified":"2026-09-17T23:18:45.770","cvss":{"score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78501"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-17T23:18:45.770"}}