There are high temperature bonding agents available. It might help if you posted the model number or pNc of your appliance – that way we might be able to look at the etch info on the machine and see how complex a repair might be.
Looks like a tricky one. The glass is bonded to the top surround. A proper repair would involve removing the entire top and fully separating the glass from the frame. It all has to be thoroughly de-greased and THIS STUFF applied liberally. Might be worth buying two tubes….. Weight the whole lot together for at least 24 hours using Encyclopedia Brittanica to ensure a good bond.