| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| X.508rev | Q11/17 | ISO/IEC 9594-12 | Under study | 2027-06 | AAP | Rev. | - | Information Technology - Open systems Interconnection - The Directory: Key management and public-key infrastructure establishment and maintenance | Medium |
| X.509rev | Q11/17 | ISO/IEC 9594-8 | Under study | 2028-01 | AAP | Rev. | - | Information Technology - Open systems Interconnection - The Directory: Public-key and attribute certificate frameworks | Medium |
| X.510rev | Q11/17 | ISO/IEC 9594-11 | Under study | 2027-07 | AAP | Rev. | - | Information Technology - Open systems Interconnection - The Directory - Protocol specifications for secure operations | Medium |
| X.510 Amd.1 | Q11/17 | ISO/IEC 9594-11 | Under study | 2026-12 | AAP | - | ISO/IEC/JTC 1/SC 6 | The Directory - Protocol specifications for secure operations | - |
| X.dpki | Q11/17 | ISO/IEC 9594-13 | Under study | 2027-12 | AAP | New | ISO/IEC/JTC 1/SC 6 | Decentralized Public-key infrastructure | Medium |
| X.migrate | Q11/17 | | Under study | 2027-Q2 | AAP | New | ISO/IEC JTC 1/SC 6 | Information Technology - Open systems Interconnection - The Directory - Generic methods for migration of cryptographic algorithms | Medium |
| X.pmi | Q11/17 | | Under study | 2027-Q2 | AAP | New | ISO/IEC JTC 1/SC 6 | Information Technology - Open systems Interconnection - The Directory -Framework for privilege management infrastructure | Medium |
| XSTR.ac-pqc (ex TR.ac-pqc) | Q11/17 | | Under study | 2026-05 | Agreement | New | ISO/IEC JTC 1/SC 27/WG 2, ISO/IEC JTC 1/SC 27/WG 4, GSMA, 3GPP, ETSI TC CYBER | Technical Report: Guidance on use of advanced cryptography based on Post Quantum Cryptography (PQC) | Medium |
| XSTR.qrbp | Q11/17 | | Under study | 2027-Q1 | Agreement | New | IETF PQUIP, ETSI ISG-QSC, ISO/IEC JTC1-SC27/WG2 | Quantum readiness, best practices and guidelines | Medium |
