Urgent Alert: New ‘ToolShell’ Exploit Actively Compromising Microsoft SharePoint Servers
Urgent Alert: New ‘ToolShell’ Exploit Actively Compromising Microsoft SharePoint Servers Organizations worldwide are urged to immediately patch their Microsoft SharePoint servers following the discovery of a critical new zero-day vulnerability, dubbed “ToolShell,” which is being actively exploited in widespread attacks. This sophisticated campaign allows attackers to gain complete, unauthenticated remote code execution (RCE) and full control over vulnerable systems. Dutch cybersecurity firm Eye Security identified the active exploitation on July 18, 2025, noting an unprecedented speed from initial proof-of-concept to…