Vulnerability Brief
CVE-2026-47645
- Severity: HIGH
- CVSS score: 8.8
Technical summary
Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.
Vulnerability Brief
Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.