CVE-2025-49712

HIGH

Microsoft SharePoint Server - Remote Code Execution via Untrusted Data Deserialization

Title source: llm
STIX 2.1

Description

Deserialization of untrusted data 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 0.3331
EPSS Percentile 97.0%
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-502
Status published
Products (2)
microsoft/sharepoint_server 2016
microsoft/sharepoint_server 2019
Published Aug 12, 2025
Tracked Since Feb 18, 2026