Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-23956 Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 13 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft 365 Copilot Business Chat
CPEs cpe:2.3:a:microsoft:365_copilot_business_chat:*:*:*:*:*:*:*:*
Vendors & Products Microsoft 365 Copilot Business Chat

Thu, 14 Aug 2025 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft 365 Copilot Chat
CPEs cpe:2.3:a:microsoft:365_copilot_chat:-:*:*:*:*:*:*:*
Vendors & Products Microsoft 365 Copilot Chat

Tue, 12 Aug 2025 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft 365
Microsoft 365 Copilot
Vendors & Products Microsoft
Microsoft 365
Microsoft 365 Copilot

Fri, 08 Aug 2025 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 07 Aug 2025 21:15:00 +0000

Type Values Removed Values Added
Description Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Title Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
Weaknesses CWE-77
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T18:54:59.562Z

Reserved: 2025-07-09T13:25:25.501Z

Link: CVE-2025-53774

cve-icon Vulnrichment

Updated: 2025-08-08T12:05:51.874Z

cve-icon NVD

Status : Analyzed

Published: 2025-08-07T21:15:28.197

Modified: 2025-08-14T17:33:18.397

Link: CVE-2025-53774

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-12T07:49:23Z

Weaknesses