CVE-2025-53770
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
9.8
CVSS 3.1
100.0 %
EPSS (current)
2025-07-20
KEV addition
Yes
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / SharePoint
Published: 2025-07-20 · Due (CISA): 2025-07-21
CWE: CWE-502 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| nuclei | http/cves/2025/CVE-2025-53770.yaml | Microsoft SharePoint Server - Remote Code Execution (ToolShell) | – |
| metasploit | exploit/windows/http/sharepoint_toolpane_rce | exploit/windows/http/sharepoint_toolpane_rce | 2025-07-08 |
| exploitdb | 52405 | Microsoft SharePoint Server 2019 (16.0.10383.20020) - Remote Code Execution (RCE) | 2025-08-11 |
References only — no downloads or instructions.