CVE-2025-53770 – Microsoft SharePoint Server Remote Code Execution Vulnerability

The following table lists the changes that have been made to the
CVE-2025-53770 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]

    Jul. 20, 2025

    Action Type Old Value New Value
    Added Description Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network.
    Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild.
    Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-502
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770
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