FedRAMP sets hard deadlines for automated cloud security checks and fixes

US cloud services under FedRAMP face stricter scan cadence, fast-turn remediation and ongoing evidence-based oversight by early 2027.

FedRAMP is phasing in new Vulnerability Detection and Response (VDR) and Validation of Evidence and Reporting (VER) rules that become mandatory for all certified cloud services on December 7, 2026, with a corrective-action grace period until March 7, 2027. The familiar monthly scan and POA&M model is being replaced by tiered, much more frequent scanning and validation schedules tied to a service’s classification, up to at least daily scans for Class D systems and machine validation as often as every three days at higher 20x levels. Remediation deadlines are now tightly bound to a vulnerability’s PAIN score and exploitability, ranging from 192 days to as little as 12 hours for critical, easily exploitable issues in high-criticality environments, forcing teams to treat this as an engineering and on-call problem rather than a paperwork SLA. Providers must assume exploits are automatable by default, treat failures in their detection-and-response processes as first-class vulnerabilities, and be able to continuously produce machine-readable evidence of their current exposure. These rules are part of a broader shift from Rev5 to FedRAMP 20x — including the removal of POA&Ms, System Security Plans, and traditional continuous monitoring — pushing programs to adopt automated, real-data-driven GRC and ongoing certification instead of static documentation as proof of security controls.