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CVE-2026-47645

nvd nist
Published: Jun 19, 2026Modified: Jun 26, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

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.

Affected (1)

Microsoft
1 product
365 Copilot
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
365 Copilot
All versions

Related CWEs

CWE-601
URL Redirection to Untrusted Site ('Open Redirect')
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

References (1)

Source: secure@microsoft.com
Vendor Advisory

Timeline

No history available yet.