CVE-2026-47645

HighCVSS 8.8/10Last 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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-601

Affected software

No affected versions have been published.

Timeline

Published: Jun 19, 2026
Last modified: Jun 26, 2026
NVD status: Analyzed

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