OTX Threat: 2026 Third Quarter Windows Web Server Targeted Malware Statistics Report

This analysis examines attacks against Windows web servers during Q3 2026, focusing on Internet Information Services (IIS) and Apache Tomcat environments. Attackers exploited unpatched vulnerabilities, misconfigurations, and weak management practices to gain control through webshell uploads, remote code execution, proxy tools, and privilege escalation utilities. Two prominent attack cases involvin CVEs: CVE-2019-18935