CVE-2025-54897
HighPublished
Microsoft SharePoint Remote Code Execution Vulnerability
- Published
- Sep 9, 2025
- Updated
- Feb 26, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 25, 2026
Primary CVSS
8.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H19.1%
Moderate · next 30 days
- Percentile
- 97.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Sources
1Educational lab demonstrating a deserialization vulnerability in Microsoft SharePoint that enables remote code execution, with a hands-on exploitation interface for authorized testing.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.