Zero-Day SharePoint Vulnerabilities: How to Protect Your Organization Now Security teams are racing to address two newly discovered zero-day vulnerabilities in on-premises Microsoft SharePoint Server, CVE-2025-53770 and CVE-2025-53771. Dubbed the “ToolShell” exploit chain, ... cybersecurity incident response patching remote code execution SharePoint vulnerabilities zero-day
How to Respond to Actively Exploited SharePoint Vulnerabilities: Immediate Steps for Security Teams Organizations running on-premises SharePoint servers face a critical security threat as sophisticated attackers actively exploit newly discovered vulnerabilities. Recent campaigns, primarily from Chin... Defender incident response patch management ransomware SharePoint threat actors vulnerabilities web shell