Urgent: Update iOS Now — A Dangerous Vulnerability Found in Safari and Chrome Browsers. Apple has released an emergency update for iOS 18.6 to address a serious security vulnerability. Hackers are already exploiting it — simply visiting a website can trigger the malicious code. There's no need to download anything. What’s particularly concerning is that all iPhones starting from the XS model are at risk. Attackers can gain access to passwords, banking information, and even enable hidden surveillance.