Sahih Muslim 777
صحيح مسلم#777Sahihحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ الْعَنْبَرِيُّ، حَدَّثَنَا الْمُعْتَمِرُ، حَدَّثَنَا أَبِي، حَدَّثَنَا أَبُو الْعَلاَءِ بْنُ الشِّخِّيرِ، قَالَ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يَنْسَخُ حَدِيثُهُ بَعْضُهُ بَعْضًا كَمَا يَنْسَخُ الْقُرْآنُ بَعْضُهُ بَعْضًا .
Abu al. 'Ala' b. al-Shikhkhir said:The Messenger of Allah (ﷺ) abrogated some of his commands by others, just as the Qur'an abrogates some part with the other
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: 3:99