Wolff will lose Hamilton to Ferrari next year, and Verstappen is his No.1 choice replace the 39-year-old Brit.
Wolff has also openly admitted to having chats with Verstappen and his dad Jos.
He said: "Max is now in the best car and has a great deal at Red Bull.
"It's just the whole working environment there at the moment may not be as it should be."
Red Bull are in the midst of a civil war following the fallout over team chief Christian Horner being accused of inappropriate behaviour by a female colleague.
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