CVE-2025-47166: Microsoft SharePoint Server Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 8.8)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2025-Jun

Released

2025-06-10

EPSS Score

14.09% (percentile: 94.4%)

Description

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

FAQ

How could an attacker exploit the vulnerability? In a network-based attack, an authenticated attacker, who has a minimum of Site Member permissions (PR:L), could execute code remotely on the SharePoint Server.

Affected Products (3)

Microsoft Office

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Server Subscription Edition

Security Updates (3)

• 5002732
• 5002729
• 5002736

Acknowledgments

<a href="https://github.com/zcgonvh">zcgonvh&#39;s cat Vanilla</a>

Revision History

• 2025-06-10: Information published.