New “ToolShell” Exploit Chain Attacking SharePoint Servers to Gain Complete Control

A critical new threat targeting Microsoft SharePoint servers through a sophisticated exploit chain dubbed “ToolShell.” This multi-stage attack combines previously patched vulnerabilities with fresh zero-day exploits to achieve complete system compromise, affecting SharePoint Enterprise Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition. Key Takeaways1. ToolShell exploits four SharePoint CVEs (two patched, two zero-days) […]

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