Microsoft’s June 2026 Patch Tuesday is the largest single-vendor event in this cycle, addressing over 200 vulnerabilities including unauthenticated RCE in http.sys and Remote Desktop Client, three publicly disclosed zero-days covering privilege escalation, BitLocker bypass, and HTTP/2 denial of service, and a critical DHCP tampering flaw enabling man-in-the-middle attacks on network segments. A concurrent AI forensics playbook publication exposes a structural logging gap in Microsoft 365 Copilot and Azure AI deployments that compounds incident response risk for enterprises with active AI-assisted workflows.