Server-side request forgery (ssrf) in Microsoft 365 Copilot's Business Chat allows an authorized attacker to elevate privileges over a network.
History

Fri, 20 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 19 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
Description Server-side request forgery (ssrf) in Microsoft 365 Copilot's Business Chat allows an authorized attacker to elevate privileges over a network.
Title Microsoft 365 Copilot BizChat Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft 365 Copilot Business Chat
Weaknesses CWE-918
CPEs cpe:2.3:a:microsoft:365_copilot_business_chat:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Copilot Business Chat
References
Metrics cvssV3_1

{'score': 8.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-03-19T21:06:26.050Z

Updated: 2026-03-20T16:36:04.705Z

Reserved: 2026-02-11T16:24:51.133Z

Link: CVE-2026-26137

cve-icon Vulnrichment

Updated: 2026-03-20T15:17:47.384Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-19T21:17:08.050

Modified: 2026-03-20T13:39:46.493

Link: CVE-2026-26137

cve-icon Redhat

No data.