<p>➀ An 'extremely sophisticated attack' zero-day security flaw affecting several Apple devices is being actively exploited; </p><p>➁ The flaw, CVE-2025-24201, is an out-of-bounds write issue in WebKit, the browser engine used by Safari; </p><p>➂ All affected devices, including iPhone, iPad, Mac, and Vision Pro, require the latest updates to address the vulnerability.</p>