Remote Code Execution Vulnerability in Microsoft SharePoint
CVE-2025-59228

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Server 2019
Microsoft Sharepoint Server Subscription Edition
Vendor
CVE Published:
14 October 2025

What is CVE-2025-59228?

A flaw in Microsoft Office SharePoint's input validation mechanisms enables an authorized attacker to execute arbitrary code remotely over the network. This vulnerability can lead to unauthorized access and manipulation of sensitive data, emphasizing the need for timely updates and security practices to mitigate potential risks.

Affected Version(s)

Microsoft SharePoint Enterprise Server 2016 x64-based Systems 16.0.0 < 16.0.5522.1000

Microsoft SharePoint Server 2019 x64-based Systems 16.0.0 < 16.0.10417.20059

Microsoft SharePoint Server Subscription Edition x64-based Systems 16.0.0 < 16.0.19127.20262

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-59228 : Remote Code Execution Vulnerability in Microsoft SharePoint