CVE-2025-54897

HIGH

Microsoft Sharepoint Server - Insecure Deserialization

Title source: rule

Description

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

Scores

CVSS v3 8.8
EPSS 0.0645
EPSS Percentile 90.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-502
Status published

Affected Products (3)

microsoft/sharepoint_server < 16.0.19127.20100
microsoft/sharepoint_server
microsoft/sharepoint_server

Timeline

Published Sep 09, 2025
Tracked Since Feb 18, 2026