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VDR-TFR-KEVSHOULDAll frameworksImplementation guide coming soon

Remediate KEVs

Vulnerability Detection and Response (VDR) · Timeframes

Applies to: Providers
Who this applies to
Providers
Service class
All service classes
Force
SHOULD
Timeframe
No fixed timeframe
See this rule in your scope

Reviewed implementation guidance for VDR-TFR-KEV is not published yet. The official source below remains complete and authoritative.

Official FedRAMP source

Verbatim from FedRAMP/rules

Providers SHOULD remediate Known Exploited Vulnerabilities according to the due dates in the CISA Known Exploited Vulnerabilities Catalog (even if the vulnerability has been fully mitigated) as required by CISA Binding Operational Directive (BOD) 26-04 or any successor guidance from CISA.

Defined terms in this requirement

Known Exploited Vulnerability (KEV)ProviderVulnerability

Operationalize this rule

Boundera turns FedRAMP 20x requirements like VDR-TFR-KEV into assigned evidence, remediation work, and validation workflows.

See it on your cloud

References

CISA BOD 26-04

Change history

  • 2026-06-24Official launch of the FedRAMP Consolidated Rules for 2026.

Content provenance

Official requirement text is sourced from FedRAMP/rules . Boundera implementation guidance has not been fully reviewed for this item.