Apple Fixes WebKit Vulnerability Enabling Same-Origin Policy Bypass on iOS and macOS
- Posted on March 18, 2026
- By The Hacker News
- 5 Views
Apple Fixes WebKit Vulnerability Enabling Same-Origin Policy Bypass on iOS and macOS

Apple fixes WebKit CVE-2026-20643 in iOS 26.3.1, macOS 26.3.2 using background patches, reducing exploit risk.