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WhatsApp Issues Emergency Update for Zero-Click Exploit Targeting iOS and macOS Devices

Written by

Robert Timlick

in

WhatsApp has addressed a security vulnerability in its messaging apps for Apple iOS and macOS that it said may have been exploited in the wild in conjunction with a recently disclosed Apple flaw in targeted zero-day attacks.
The vulnerability, CVE-2025-55177 (CVSS score: 8.0), relates to a case of insufficient authorization of linked device synchronization messages. Internal researchers on the

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