CVE-2025-43520
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.
Summary dbcve.org
A memory corruption vulnerability in Apple operating systems allows a malicious application to potentially cause system termination or write to kernel memory. This represents a privilege escalation and denial-of-service vulnerability at the kernel level, exploitable through a specially crafted iOS/macOS application.
Mitigation
Apply the relevant security update: iOS 18.7.2/iPadOS 18.7.2 or iOS 26.1/iPadOS 26.1 for mobile devices; macOS Sequoia 15.7.2, Sonoma 14.8.2, or Tahoe 26.1 for Macs; or corresponding tvOS, visionOS, and watchOS updates. Deploy via MDM or direct user notification.