Summary
Apple released a new type of security update for iPhones to fix a weakness in WebKit, the engine behind its Safari browser. This update aims to quickly address security threats by providing smaller updates in the background, instead of waiting for larger software upgrades.
Key Facts
- Apple introduced "Background Security Improvements" for iPhones.
- The update was released on March 17 and targets a WebKit flaw.
- WebKit is the browser engine used by Safari and many apps.
- The flaw could let harmful web content bypass important security rules.
- The update happens automatically in the background on supported devices.
- It requires only a quick restart to finish the installation.
- The vulnerability is listed as CVE-2026-20643.
- There is no information on whether the flaw was exploited in attacks.
