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Apple releases first background security improvements update to fix WebKit vulnerability
Apple has introduced its first Background Security Improvements update to address a critical WebKit vulnerability (CVE-2026-20643) affecting iOS, iPadOS, and macOS. This flaw allowed malicious websites to bypass the same-origin policy, potentially accessing data from other sites.
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- Apple pushes first Background Security Improvements update to fix WebKit flaw...bleepingcomputer.com
- Apple security advisory (AV26-248)Canadian Centre for Cyber Security - Alerts
- Apple Debuts Background Security Improvements With Fresh WebKit PatchesSecurityWeek
- Apple patches WebKit bug that could let sites access your dataMalwarebytes Threat Analysis
- Apple starts issuing lightweight security updates between software releasesHelp Net Security