Microsoft announced on July 9, 2026, that Windows AI is expanding its vulnerability management capabilities, driven by MDASH—Microsoft’s multi-model agentic scanning harness. MDASH combines different AI models to detect vulnerabilities across code and infrastructure, and early results show it found 16 vulnerabilities that human security researchers missed in areas like TCP/IP stack and IKEv2 authentication services on Windows 11. Microsoft’s July 2026 Patch Tuesday update fixed 570 vulnerabilities across its products, more than four times the 137 vulnerabilities patched in July 2025. MDASH scans code and infrastructure, flags suspicious patterns, and routes findings to human researchers for validation, with humans still making final calls on severity and priority. The system learns from each finding, improving detection in areas like authentication, networking, and service integration. Microsoft says that as AI helps security researchers find more issues, customers will see higher volumes of security fixes in future releases, creating a new operating cost of patching, and organizations using outdated Windows builds face growing risk as vulnerability counts accelerate.