CVE-2025-53770
Deserialization Vulnerability in Microsoft SharePoint Enables Remote Code Execution
Description
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.
CVSS Scores
EPSS Scores
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Affected Vendors & Products
| Vendor | Product | Version |
|---|---|---|
| microsoft | sharepoint_server | * |
| microsoft | sharepoint_server | * |
| microsoft | sharepoint_server | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-502 | Deserialization of Untrusted Data |
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Meta Information
CVE Publication Date:
2025-07-20
CVE Last Modified Date:
2025-07-30
Report Generation Date:
2025-08-01
AI Powered Q&A Generation:
2025-07-20
EPSS Last Evaluated Date:
2025-07-22
NVD Report Link: