CVE-2026-45659: SharePoint deserialization vulnerability and detection approaches

Short summary

This article explains CVE-2026-45659, a .NET deserialization vulnerability in SharePoint Server that allows authenticated attackers to execute arbitrary code via crafted SOAP payloads. It then describes how HookProbe's HYDRA, NAPSE, and AEGIS detection engines identify malicious payloads and post-exploitation behavior across network layers. The content is technically detailed but prominently promotes HookProbe's pricing and documentation.

• •CVE-2026-45659 is a SharePoint .NET deserialization flaw allowing RCE via SOAP payloads
• •HookProbe uses three engines (HYDRA, NAPSE, AEGIS) for multi-layer detection
• •Article mixes genuine vulnerability analysis with product promotion for HookProbe

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