Published CVEs exceeded 48,000 in 2025, making prioritization the core challenge in vulnerability management. This comparison covers nine leading tools for 2026 — Orca Security, Tenable, Qualys VMDR, Rapid7 InsightVM, Wiz, Microsoft Defender VM, CrowdStrike Falcon Exposure Management, Intruder, and Palo Alto Prisma Cloud — plus open-source options like OpenVAS, Nuclei, Trivy, and DefectDojo. Key differentiators include agentless vs. agent-based deployment, prioritization using EPSS and CISA KEV alongside CVSS, automation into SIEM/SOAR/ITSM, remediation tracking, and false-positive control. The guide maps each tool to its strongest use case (cloud-native, enterprise compliance, SMB, Microsoft estates) and provides a six-step framework for choosing the right platform based on environment, coverage gaps, and workflow integrations.