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CVE-2025-53770 PoC — Microsoft SharePoint Server Remote Code Execution Vulnerability

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-53770.yaml
Associated Vulnerability
Title:Microsoft SharePoint Server Remote Code Execution Vulnerability (CVE-2025-53770)
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.
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.
File Snapshot

 id: CVE-2025-53770

info:
  name: Microsoft SharePoint Server - Remote Code Execution (ToolShell)
  

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