This page lists Background Security Improvements and patched components.
We publish information about Background Security Improvements by release date, with the components or frameworks that are patched in each release. When a release has relevant CVE-ID details, we also publish a security advisory and include the release in the Apple security releases page. Learn more about Background Security Improvements.
Release | Available for | Components patched | Release date |
|---|---|---|---|
iOS 26.3.1 (a), iPadOS 26.3.1 (a), macOS 26.3.1 (a), macOS 26.3.2 (a) | iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, macOS 26.3.2 | WebKit | 17 Mar 2026 |