Leaked data includes users phone numbers, Facebook IDs, full names, locations, birthdates, bios, bios and for some accounts the associated email addresses. The data was amassed by threat actors by exploiting a vulnerability fixed in 2019 that allowed data scraping from the social network. Bad actors will certainly use the information for social engineering, scamming, hacking and marketing. You can check if your personal information is included in the Facebook data leak by querying the data breach notification service Have I Been Pwned.”]
Source: https://securityaffairs.co/wordpress/116371/data-breach/facebook-leak-check.html