Even if Vanderbilt won every single SEC game from here on, they'd be sixth off the bubble.
I kind of doubt it would play out that way--that's a computer looking at it without any added commentary and Vanderbilt would be 19-12, 12-6 in the SEC, wins over Pitt, Arkansas, Tennessee, Auburn, Kentucky, Florida (twice) and Mississippi State, though those last four may not make the NCAAs (and Auburn and Pitt may not, either)--but that tells you how damaging the out-of-conference face-plant was.
I kind of doubt it would play out that way--that's a computer looking at it without any added commentary and Vanderbilt would be 19-12, 12-6 in the SEC, wins over Pitt, Arkansas, Tennessee, Auburn, Kentucky, Florida (twice) and Mississippi State, though those last four may not make the NCAAs (and Auburn and Pitt may not, either)--but that tells you how damaging the out-of-conference face-plant was.