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🔔 CVE Advisory

CVE-2026-33112

SharePoint XmlValidator bypass lead to ExcelDataSet insecure deserialization

Microsoft SharePoint

SharePoint XmlValidator bypass lead to ExcelDataSet insecure deserialization

Year 2026
Published May 12, 2026

Advisory Information

Vulnerability ID CVE-2026-33112
Affected Product Microsoft SharePoint
Title SharePoint XmlValidator bypass lead to ExcelDataSet insecure deserialization
Description

SharePoint XmlValidator bypass lead to ExcelDataSet insecure deserialization

Year 2026
Published Date May 12, 2026
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Affected Vendors

M
Microsoft

Research Team

khoadha
khoadha
Researcher