CVE-2025-54897
moderate-risk
Published 2025-09-09
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Do I need to act?
~
8.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (3)
Affected Vendors
References (1)
49
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
10/34 · Low
Exposure
9/34 · Low