{"id":63956,"date":"2026-02-11T21:58:29","date_gmt":"2026-02-11T20:58:29","guid":{"rendered":"https:\/\/www.apfelpatient.de\/?p=63956"},"modified":"2026-02-11T22:00:05","modified_gmt":"2026-02-11T21:00:05","slug":"ios-26-3-fixes-critical-security-vulnerabilities","status":"publish","type":"post","link":"https:\/\/www.apfelpatient.de\/en\/news\/ios-26-3-co-beheben-kritische-sicherheitsluecken","title":{"rendered":"iOS 26.3 and similar updates fix critical security vulnerabilities"},"content":{"rendered":"

With iOS 26.3, Apple has released another security update for iPhone users. iPadOS 26.3 and macOS Tahoe 26.3 were also released simultaneously. The focus of these versions is clearly on bug fixes and closing security vulnerabilities. One vulnerability is particularly relevant, as Apple states it has already been exploited in a targeted attack. This is precisely why this update is so important.<\/strong><\/p>\n\n\n\n

With iOS 26.3, Apple addresses<\/a> several security issues within the system. As soon as vulnerabilities are made public, the risk of their widespread exploitation increases. Therefore, Apple strongly recommends that all supported devices update as soon as possible.<\/p>\n\n\n\n

iOS 26.3 closes an actively exploited vulnerability in dyld<\/h4>\n\n\n\n

The update focuses on a security vulnerability in the so-called dyld Dynamic Link Editor. This system element is responsible for loading and linking program libraries and is therefore a central component of iOS.<\/p>\n\n\n\n

The vulnerability involved a form of memory corruption. An attacker with write access to memory could, under certain conditions, execute arbitrary code. This means that malicious instructions could be injected into the system and executed.<\/p>\n\n\n\n

Apple explains<\/a> that the vulnerability may have already been exploited in an "extremely sophisticated attack" targeting specific individuals. Versions of iOS prior to iOS 26 were affected. Therefore, it was not a widespread attack, but rather apparently targeted attacks.<\/p>\n\n\n\n

The cause was a faulty memory management system. With iOS 26.3, this vulnerability was fixed through improved state management. This prevents manipulated memory states from leading to the execution of arbitrary code.<\/p>\n\n\n\n

Further security vulnerabilities in iOS 26.3, iPadOS 26.3 and macOS Tahoe 26.3<\/h4>\n\n\n\n

In addition to the dyld security vulnerability, numerous other vulnerabilities have been patched. These affect not only iOS 26.3, but also:<\/p>\n\n\n\n