Executive Summary

Informations
Name CVE-2025-53770 First vendor Publication 2025-07-20
Vendor Cve Last vendor Modification 2025-07-30

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-53770

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 9

Sources (Detail)

https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-se...
https://github.com/kaizensecurity/CVE-2025-53770
https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vuln...
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770
https://news.ycombinator.com/item?id=44629710
https://research.eye.security/sharepoint-under-siege/
https://therecord.media/microsoft-sharepoint-zero-day-vulnerability-exploited...
https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day...
https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidanc...
https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-e...
https://www.forbes.com/sites/daveywinder/2025/07/20/microsoft-confirms-ongoin...
https://x.com/Shadowserver/status/1946900837306868163
Source Url

Alert History

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Date Informations
2025-07-30 09:20:41
  • Multiple Updates
2025-07-24 00:20:34
  • Multiple Updates
2025-07-22 09:20:37
  • Multiple Updates
2025-07-22 02:33:25
  • Multiple Updates
2025-07-22 02:33:12
  • Multiple Updates
2025-07-21 21:20:35
  • Multiple Updates
2025-07-21 09:20:38
  • Multiple Updates
2025-07-20 09:20:42
  • First insertion