Sahih Muslim 3542
صحيح مسلم#3542SahihAbu Sa'id al-Khudri (Allah he pleased with him) reported that Allah's Messenger (may peace be upoin him) said:The most wicked among the people in the eye of Allah on the Day of judgment is the men who goes to his wife and she comes to him, and then he divulges her secret
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 16:144