sharepoint-deserialization-security-assessment

CVE-2026-45659 - Microsoft SharePoint Deserialization RCE Consultant-Style Cybersecurity Report Professional vulnerability assessment report for SharePoint deserialization risk, including executive summary, technical impact, remediation, and mitigation strategy. 📍 Report Snapshot...

CVE-2026-45659

CVE-2026-45659 is a deserialization vulnerability in Microsoft SharePoint Server that enables an authorized attacker to execute code over a network. The root cause is unsafe deserialization via LosFormatter.Deserialize during processing of list items in Microsoft.SharePoint.Library, triggered by ...