CVE-2025-54897CWE-502insecure-deserialization

CVE-2025-54897

High · published September 9, 2025

CVSS v3.1
8.8
EPSS
22%
Percentile
97.6
In the wild
Unconfirmed
What it is

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.21748 · 97.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-09-09T21:16Z
Affected products (3)
ProductVersionsFixed in
microsoft/sharepoint_server< 16.0.19127.2010016.0.19127.20100
microsoft/sharepoint_serverall versions—
microsoft/sharepoint_serverall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54897 · [email protected]
EPSS history
Timeline
  • 09 SEP 17:00Z
    Microsoft SharePoint Remote Code Execution Vulnerability
    cvelistv5