1 INTRODUCTION
2 DATA
2.1 VVV photometric catalogs
2.2 StarHorse catalogs
2.3 Final input catalog for the extinction mapping
3 METHOD
3.1 Single-star extinction estimation
3.2 Background source selection and extinction mapping
4 RESULTS
4.1 Dust extinction maps
4.2 Uncertainties of the derived maps
5 DISCUSSION
5.1 Comparisons with previous dust-based maps
5.2 On the advantages and caveats of the XPNICER maps
6 SUMMARY AND CONCLUSIONS