Apple has released a ‘background security improvement’ update to address a vulnerability within its Safari browser across iPhones, iPads, and Macs. The security flaw, discovered by a researcher in WebKit, the engine powering Safari and other applications, could potentially enable a malicious website to access data from another site within the same browsing session.
These ‘background security improvements’ are lightweight updates containing crucial security fixes, delivered to users’ devices between major software updates. Primarily targeting devices with the latest iOS, iPadOS, and macOS versions (26.1 and above), these updates address vulnerabilities in components like Safari, WebKit, and system libraries, ensuring continuous security enhancements.
Apple has not disclosed the specific reason for patching this bug, and the company remains silent when questioned by TechCrunch. Unlike traditional software updates requiring extensive reboots, this security update simply requires a swift device restart.
Prior to this release, Apple provided several security patches to testers, preparing them for the implementation of this new update mechanism.
Source: TechCrunch