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PCI DSS v4.0 vs v4.0.1: What the Errata Changed

PCI DSS v4.0.1 errata vs v4.0 — clarification themes and how to update your.

Published: September 2026 Compliance · PCI DSS 8–12 min read

v4.0.1 is an errata/clarification release on v4.0, not a brand-new standard generation. Programmes should align documentation and testing to the current published version from PCI SSC.

Treat changes as clarification and correction themes — re-read affected requirements rather than assuming nothing moved.

Source of truth: PCI SSC document library for v4.0.1 Summary of Changes — verify before rewriting controls.

Nature of 4.0.1

Errata typically fix ambiguities, align guidance, and correct inconsistencies. Your customized approach / TRA artefacts may need wording updates even if intent is unchanged.

Programme actions

Future-dated items

Keep tracking future-dated requirement effective dates separately from errata wording.

How CyberSilo Helps

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Map evidence and operations with CyberSilo CSA and ThreatHawk.

Frequently Asked Questions

Do we re-certify solely for 4.0.1?

Follow acquirer/QSA direction — usually adopt current version at next assessment.

Is 4.0.1 optional?

Assessments should use the current SSC-published standard.

Where is the change list?

PCI SSC official summary of changes.

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