CVE-2025-53770 Microsoft Microsoft SharePoint Enterprise…
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…
- CVSS
- 9.8 Critical
- EPSS
- 100%
- Percentile
- 100
- Published
- 2025-07-20
- Force
- 11 of 12
- Public PoC
- 45
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
On CISA’s exploited list
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- Added
- 2025-07-20
- Federal patch deadline
- 2025-07-21
- Ransomware use
- known