It’s a distinct possibility.
From Inside Higher Ed:
A survey of admissions officers by Kaplan Test Prep has found that they are increasingly likely to find on social media material that may hurt some applicants’ chances of admission. Only a minority of admissions officers say that they consult Google or Facebook on applicants. But the percentage of admissions officers who reported that something they found there had negatively affected an applicants’ chances of admission increased in the last year from 12 percent to 35 percent. Some of the material that the admissions officers found: essay plagiarism, vulgarities in blogs, alcohol consumption in photographs and “illegal activities.