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

Fri, 24 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-04-28T17:39:52.444Z

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

Link: CVE-2026-33102

cve-icon Vulnrichment

Updated: 2026-04-24T16:21:13.808Z

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-04-24T14:41:16.553

Link: CVE-2026-33102

cve-icon Redhat

No data.