CVE-2025-59237
Published: 14 October 2025
Description
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Security Summary
CVE-2025-59237 is a deserialization of untrusted data vulnerability (CWE-502) in Microsoft Office SharePoint. Published on 2025-10-14T17:16:05.610, it carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to its potential for significant impact.
An authorized attacker with low privileges (PR:L) can exploit this vulnerability over the network (AV:N) with low attack complexity (AC:L) and no user interaction required (UI:N). Successful exploitation allows remote code execution, resulting in high impacts to confidentiality, integrity, and availability (C:H/I:H/A:H) within the unchanged security scope (S:U).
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59237 provides guidance on mitigation and available patches.
Details
- CWE(s)
Affected Products
MITRE ATT&CK Enterprise Techniques
Why these techniques?
Deserialization vulnerability in Microsoft Office SharePoint enables remote code execution via exploitation of a public-facing web application, directly mapping to T1190.