Mobile carrier Verizon is evaluating an offer for as soon as next week, sources close to the situation told CNBC. The bid could keep Yahoo's web business and Yahoo Japan together, Bloomberg initially reported.
Verizon values the core at less than $8 billion, according to the Bloomberg report.
Verizon declined to comment to CNBC.
In February, Verizon chairman and CEO Lowell McAdam said Yahoo could fit under the AOL umbrella "at the right price." McAdam explained the company's interest to Jim Cramer of CNBC's "Mad Money" at the time.