CVE-2026-20698: The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS…

high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	< 26.4	26.4
apple	ipados	< 26.4	26.4
apple	iphone_os	< 26.4	26.4
apple	macos	< 26.4	26.4
apple	macos	>= 26.0 < 26.4	26.4
apple	tvos	< 26.4	26.4
apple	visionos	< 26.4	26.4
apple	watchos	< 26.4	26.4