CVE-2025-54897
HIGHCVSS 8.8/10EPSS 18.08%
Last modified
CVE-2025-54897 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.. EPSS estimates a 18.08% chance of exploitation in the next 30 days.
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Sharepoint Server | < 16.0.19127.20100 |
| Microsoft | Sharepoint Server | 2016 |
| Microsoft | Sharepoint Server | 2019 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-54897?
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
How severe is CVE-2025-54897?
CVE-2025-54897 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 18.08% probability of exploitation in the next 30 days.
How do I fix CVE-2025-54897?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-54891Improper Neutralization of Input During Web Page Generation …4.8
- CVE-2025-54892Improper Neutralization of Input During Web Page Generation …4.8
- CVE-2025-54893Improper Neutralization of Input During Web Page Generation …4.8
- CVE-2025-54894Local Security Authority Subsystem Service Elevation of Priv…7.8
- CVE-2025-54895Integer overflow or wraparound in Windows SPNEGO Extended Ne…7.8
- CVE-2025-54896Use after free in Microsoft Office Excel allows an unauthori…7.8
- CVE-2025-54898Out-of-bounds read in Microsoft Office Excel allows an unaut…7.8
- CVE-2025-54899Free of memory not on the heap in Microsoft Office Excel all…7.8
- CVE-2025-5490The Football Pool plugin for WordPress is vulnerable to Stor…4.8
- CVE-2025-54900Heap-based buffer overflow in Microsoft Office Excel allows …7.8
- CVE-2025-54901Buffer over-read in Microsoft Office Excel allows an unautho…5.5
- CVE-2025-54902Out-of-bounds read in Microsoft Office Excel allows an unaut…7.8
Are you affected by CVE-2025-54897?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST