This action pack covers critical and high-severity threats identified during the week of 2026-03-12, anchored by an actively exploited RCE in n8n (CVE-2025-68613, CISA KEV confirmed) and two publicly disclosed zero-days in Microsoft’s March 2026 Patch Tuesday cycle. Secondary priorities include an unauthenticated backup disclosure in Nginx UI, a zero-click Copilot prompt injection vulnerability (EchoLeak), active exploitation of Oracle EBS infrastructure, and third-party supply chain breach patterns affecting healthcare and enterprise environments. Actions are sequenced by CVSS score, CISA KEV status, active exploitation evidence, and organizational blast radius.