Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

Project Subscriptions

Vendors Products
Microsoft Subscribe
365 Copilot Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 23 Apr 2026 22:00:00 +0000

Type Values Removed Values Added
Description Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft 365 Copilot Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Copilot
Weaknesses CWE-601
CPEs cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Copilot
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-04-23T21:35:48.984Z

Reserved: 2026-03-17T20:15:23.719Z

Link: CVE-2026-33102

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-23T22:16:37.093

Modified: 2026-04-23T22:16:37.093

Link: CVE-2026-33102

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses