CVE-2025-59228

HIGH

Microsoft SharePoint Server - Remote Code Execution via Improper Input Validation

Title source: llm
STIX 2.1

Description

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0022
EPSS Percentile 44.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (3)
microsoft/sharepoint_server 2016
microsoft/sharepoint_server 2019
microsoft/sharepoint_server < 16.0.19127.20262
Published Oct 14, 2025
Tracked Since Feb 18, 2026