CVE-2025-53770
CRITICAL
9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,8961
Percentile
1,0th
Updated
EPSS Score Trend (Last 90 Days)
502
Deserialization of Untrusted Data
DraftCommon Consequences
Security Scopes Affected:
Integrity
Availability
Other
Potential Impacts:
Modify Application Data
Unexpected State
Dos: Resource Consumption (Cpu)
Varies By Context
Applicable Platforms
Languages:
Java, JavaScript, PHP, Python, Ruby
Technologies:
AI/ML, ICS/OT, Not Technology-Specific
Exploit
Microsoft SharePoint Server 2019 (16.0.10383.20020) - Remote Code …
Microsoft SharePoint Server 2019 (16.0.10383.20020) - Remote Code Execution (RCE)
View Exploit Code →
Application
Sharepoint Server by Microsoft
CPE Identifier
View Detailed Analysis
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Sharepoint Server by Microsoft
Version Range Affected
To
16.0.18526.20508
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Sharepoint Server by Microsoft
CPE Identifier
View Detailed Analysis
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025…
https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-seve…
https://github.com/kaizensecurity/CVE-2025-53770
https://msrc.microsoft.com/blog/2025/07/customer-guidance-for-sharepoint-vulner…
https://news.ycombinator.com/item?id=44629710
https://research.eye.security/sharepoint-under-siege/
https://therecord.media/microsoft-sharepoint-zero-day-vulnerability-exploited-g…
https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-e…
https://www.cisa.gov/news-events/alerts/2025/07/20/microsoft-releases-guidance-…
https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-exp…
https://www.forbes.com/sites/daveywinder/2025/07/20/microsoft-confirms-ongoing-…
https://x.com/Shadowserver/status/1946900837306868163
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53770