Producers plan to call Victor to the bedsit later for a private meeting with Emma away from the other housemates.
The pair will be urged to settle their differences following the furious row in which they threatened to kill each other and had to be pulled apart.
If they agree, Emma will be allowed back into the house.
She spent a second night locked away in the bedsit as producers ignored her pleas to be let out.
Meanwhile, the Big Brother eviction has been cancelled in the wake of Thursday's drunken brawl.
Bosses want to calm the atmosphere in the house and believe an eviction would unsettle the housemates even further.
Vanessa and Dan have not yet been told of the last-minute developments and still believe one of them will leave the house.
The eviction has been postponed until next Friday, when the same two housemates will be put to the viewer vote.
A Big Brother spokeswoman said: "We want to let the housemates continue to work through their differences rather than be faced with an eviction."
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