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HIGH · 8.2

CVE-2025-53787

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

Vulnerability Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
Microsoft365 Copilot Chat-

Related Weaknesses (CWE)

CWE-77

References

FAQ

What is CVE-2025-53787?

CVE-2025-53787 is a vulnerability with a CVSS score of 8.2 (HIGH). Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

How severe is CVE-2025-53787?

CVE-2025-53787 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-53787?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft 365 Copilot Chat.