CVE-2025-53783 – Microsoft Teams Heap Buffer Overflow Remote Code Execution Vulnerability

The following table lists the changes that have been made to the
CVE-2025-53783 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. 12, 2025

    Action Type Old Value New Value
    Added Description Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-122
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53783
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