PT-2026-51032 · Microsoft · M365 Copilot

Yogeesh Seralathan

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CVE-2026-47645

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Published

2026-06-18

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Updated

2026-06-24

CVSS v2.0

10

High

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Microsoft 365 Copilot's Business Chat (affected versions not specified)
Description An open redirect issue exists, which is a flaw that allows a user to be redirected to an untrusted external website. This can enable an unauthorized attacker to elevate privileges over a network.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Open Redirect

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Weakness Enumeration

CWE-601

Related Identifiers

BDU:2026-08882
CVE-2026-47645

Affected Products

M365 Copilot