Cross-Origin Data Exfiltration Vulnerability in Safari and macOS by Apple

CVE-2026-43708

What is CVE-2026-43708?

A cross-origin data exfiltration vulnerability has been identified in Safari and related platforms. This issue allows malicious websites to potentially extract sensitive data from users, emphasizing the importance of secure input validation measures. Apple has released updates to address this vulnerability in Safari version 26.5.2, as well as in the latest releases of iOS, iPadOS, and macOS Tahoe. Users are encouraged to update their systems to enhance security and protect against unauthorized data access.

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