Microsoft SharePoint Zero-Day Vulnerability Exploited in Ransomware Surge

A newly discovered zero-day vulnerability in Microsoft SharePoint has sparked a wave of ransomware attacks targeting critical infrastructure and enterprise environments worldwide. The exploit, actively used by the “Warlock” ransomware gang, allows attackers to remotely access SharePoint servers and deploy malicious payloads. Reports indicate that over 400 systems have already been compromised across industries like government, education, healthcare, and finance. This incident underscores the urgent need for organizations to patch systems immediately, conduct threat hunting, and review lateral movement detection protocols to prevent post-exploitation activity.

Reference: axios