HIGH 7.4 NVD

CVE-2026-78501

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to

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.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78501

Published: 2026-09-17 · Source: NVD · Feed updated: 2026-09-18

This high severity vulnerability with a CVSS score of 7.4 was published on 2026-09-17 via NVD.

vulnfeed aggregates 13481 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.