APPLE has released security updates for iPhones, iPads, Macs, Apple Watches, Apple TVs, and Safari, fixing, in particular, a zero-day flaw that is actively exploited in targeted attacks, according to Apple. The zero-day vulnerability tracked as CVE-2026-20700 is a memory corruption issue in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3, and an attacker with memory write capability may be able to execute arbitrary code.
Apple says the vulnerability was used as part of an infection chain combined with CVE-2025-14174 and CVE-2025-43529 against devices running iOS versions prior to iOS 26; those two vulnerabilities were already patched in the December 2025 update. The article provides updates for your particular device and urges users to install the latest updates as soon as possible to keep personal information safe from such an attack. It also stresses upgrading to iOS 26.3 (or the latest available version for your device) as the most important fix.