Apple has released a series of Rapid Security Response (RSR) updates to address a new zero-day vulnerability, which is being actively exploited. The bug affects iPhones, Macs and iPads, potentially compromising the security and integrity of these devices. The vulnerability, identified as CVE-2023-37450, was reported by an anonymous security researcher. According to Apple's advisories for iOS and macOS, the company knows the issue is being actively exploited.

Apple highlighted that New Rapid Security Responses are delivered only for the latest iOS, iPadOS, and macOS versions, starting with iOS 16.4.1, iPadOS 16.4.1, and macOS 13.3.1. To secure data and protect against attacks, it strongly recommends that users apply the RSR patches. RSR patches have been introduced as compact updates that address security issues between major software updates on its OSes. They provide critical security fixes to help users address emerging threats on time.