CVE-2025-53787

HIGH

Microsoft 365 Copilot BizChat - Info Disclosure

Title source: llm
STIX 2.1

Description

Microsoft 365 Copilot BizChat Information Disclosure Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 8.2
EPSS 0.0129
EPSS Percentile 79.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-77
Status published
Products (1)
microsoft/365_copilot_chat
Published Aug 07, 2025
Tracked Since Feb 18, 2026