CVE-2025-53770
BaseFortify
Publication date: 2025-07-20
Last updated on: 2025-10-27
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | sharepoint_server | to 16.0.18526.20508 (exc) |
| microsoft | sharepoint_server | 2016 |
| microsoft | sharepoint_server | 2019 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves deserialization of untrusted data in on-premises Microsoft SharePoint Server, which allows an unauthorized attacker to execute code remotely over a network.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can execute arbitrary code on the affected SharePoint Server remotely, potentially leading to full compromise of the system, including data theft, data loss, or disruption of services.
What immediate steps should I take to mitigate this vulnerability?
Microsoft is preparing a comprehensive update to address this vulnerability. In the meantime, ensure that the mitigation provided in the CVE documentation is in place to protect from exploitation. Specific immediate mitigation steps are not detailed in the provided information.