What did the court decide in Meritor Savings Bank, FSB v. Vinson?
Answered for: US
a plaintiff may establish a violation of Title VII by proving that discrimination based on sex has created a hostile or abusive work environment
The Court recognized hostile work environment sexual harassment as a form of sex discrimination actionable under Title VII. The sentence above is the court in its own words.
This answer is true in US and nowhere else on this site. Another jurisdiction is another answer, or an honest gap: see what has been read for US.