CSF is partly absorbed by lymphatics around cranial nerves -
I, II, VII, VIII
I, II, VI, VII
I, III, VII, VIII
I, II, VI, VIII
CSF is absorbed through 3 ways:

Arachnoid villi and granulations (main)
Perineural lymphatics around 1st, 2nd, and 8th cranial nerves and
Veins related to spinal nerves.