https://techcrunch.com/2018/06/07/facebook-status-privacy-bug/

Facebook has another privacy screwup on its hands. A bug in May accidentally changed the suggested privacy setting for status updates to public from whatever users had set it to last, potentially causing them to post sensitive friends-only content to the whole world. Facebook is now notifying 14 million people around the world who were potentially impacted by the bug to review their status updates and lock them down tighter if need be.

Facebook’s Chief Privacy Officer Erin Egan wrote to TechCrunch in a statement: