Apple issued security updates for iOS, iPadOS, macOS, and its Safari web browser to address a vulnerability being exploited in the wild. Tracked as CVE-2025-43529, the use-after-free vulnerability exists in WebKit. An attacker may exploit the vulnerability by processing maliciously crafted web content, leading to arbitrary code execution. The vulnerability was addressed with improved memory management. Apple is aware of an active exploitation of a vulnerability in a highly sophisticated attack targeting specific, high-profile individuals on iOS versions before iOS 26.