CVE-2026-47645

—

CVSS 3.1

8.8 high

EPSS

<1%p53

Published

Jun 19, 2026 (Jun 19, 2026)

Modified

Jun 26, 2026

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.

Vendors: microsoft
Products: 365 copilot
Weakness: CWE-601
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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