b'Facebook\\u2019s privacy problems severely escalated Friday when the social network disclosed that an unprecedented security issue, discovered September 25, impacted almost 50 million user accounts. Unlike the Cambridge Analytica scandal, in which a third-party company erroneously accessed data that a then-legitimate quiz app had siphoned up, this vulnerability allowed attackers to directly take over user accounts. The bugs that enabled the attack have since been patched, according to Facebook.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'