Security researchers from Kaspersky have detailed a sophisticated exploit chain dubbed “ToolShell,” actively targeting on-premise Microsoft SharePoint servers worldwide. The campaign, which began widespread exploitation leverages an unauthenticated remote code execution (RCE) chain involving CVE-2025-49704 and CVE-2025-49706, enabling attackers to seize full control of vulnerable systems. Alerts from various security firms and national CERTs highlight […]The post ToolShell: Uncovering Five Critical Vulnerabilities in Microsoft SharePoint appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.