CVE-2026-47645

HIGH CVSS 8.8 View on NVD ↗

Description

Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47645

Published: Jun 19, 2026 21:16 UTC Modified: Jun 19, 2026 21:16 UTC