CVE-2026-47645

Summary: CVE-2026-47645 is an open redirect vulnerability in Microsoft 365 Copilot’s Business Chat that can lead to privilege escalation over a network. The issue is described across sources (NVD/MSRC/CVE records) as a url redirection to an untrusted site, with a CVSS v3.1 base score of 8.8 (HIGH...