PT-2026-51032 · Microsoft · M365 Copilot

Published

2026-06-19

·

Updated

2026-06-19

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CVE-2026-47645

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.

Fix

Open Redirect

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Weakness Enumeration

Related Identifiers

CVE-2026-47645

Affected Products

M365 Copilot