HIGH Microsoft Corporation Vulnerability Alert

Product:

Microsoft Office SharePoint

Summary

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. This vulnerability poses a significant risk as it can lead to unauthorized code execution, potentially compromising sensitive data and system integrity.

Details

Severity Base Score CVE
HIGH 8.8 CVE-2026-33110

Exploitation

To exploit this vulnerability, an attacker must have authorized access to the Microsoft Office SharePoint environment. By sending specially crafted data to the application, the attacker can trigger the deserialization process, allowing them to execute arbitrary code on the server. This can lead to full system compromise if successful.

Affected Products

  • Microsoft Office SharePoint: Affected by deserialization vulnerabilities that allow code execution over a network.

Mitigation

To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft. Additionally, organizations should review their access controls and ensure that only authorized users have access to sensitive SharePoint environments.

References