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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 22 Oct 2025 08:15:00 +0900


Wed, 22 Oct 2025 05:30:00 +0900


Wed, 22 Oct 2025 04:30:00 +0900


Tue, 19 Aug 2025 02:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 22 Jul 2025 12:30:00 +0900


Tue, 22 Jul 2025 10:30:00 +0900

Type Values Removed Values Added
References

Tue, 22 Jul 2025 00:15:00 +0900

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft sharepoint Server
CPEs cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft sharepoint Server

Mon, 21 Jul 2025 23:30:00 +0900


Mon, 21 Jul 2025 09:30:00 +0900


Mon, 21 Jul 2025 05:00:00 +0900

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2025-07-20T00:00:00+00:00', 'dueDate': '2025-07-21T00:00:00+00:00'}


Sun, 20 Jul 2025 10:15:00 +0900

Type Values Removed Values 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.
Title Microsoft SharePoint Server Remote Code Execution Vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:W/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2025-10-21T22:45:21.693Z

Reserved: 2025-07-09T13:25:25.500Z

Link: CVE-2025-53770

cve-icon Vulnrichment

Updated: 2025-07-22T02:51:48.226Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-20T01:15:30.777

Modified: 2025-10-27T17:12:40.607

Link: CVE-2025-53770

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses