Isco joined Real Madrid from Malaga but has seen his game time dry up this season (Image: GETTY)
Madrid want to land Neymar or Kylian Mbappe in the summer and have also been linked with Hazard.
They failed to replace Cristiano Ronaldo in the summer after he left for Juventus and have struggled as a result.
Madrid are back up to fourth in La Liga but remain eight points behind league leaders Barcelona.
Solari answered questions on Isco and Keylor Navas, who has been linked with Arsenal this week.
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Chelsea are keen on Isco but even more keen on keeping Eden Hazard (Image: GETTY)
But he claimed transfers were a ‘private matter’.
"I do not consider any hypothesis about whether Isco or Keylor leave or stay," he said.
“They're all squad players.
“It is not for me to talk about the transfer strategy.