CVE-2025-53774 – Microsoft 365 Copilot BizChat Unauthenticated Data Exposure

The following table lists the changes that have been made to the
CVE-2025-53774 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 07, 2025

    Action Type Old Value New Value
    Added Tag exclusively-hosted-service
    Added Description Microsoft 365 Copilot BizChat Information Disclosure Vulnerability
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-77
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53774
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