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WhatsApp zero-click vulnerability exploited in targeted attacks

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📰 2 unique sources, 2 articles

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WhatsApp patched a zero-click vulnerability (CVE-2025-55177) in its iOS and macOS clients. The flaw allowed attackers to trigger content processing from arbitrary URLs on targeted devices. The vulnerability was exploited in combination with an OS-level flaw (CVE-2025-43300) on Apple platforms in sophisticated attacks against specific users. The flaw affects WhatsApp for iOS prior to version 2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78. Users were advised to perform a device factory reset and update their operating systems and software. The vulnerability was patched on July 28, 2025, for WhatsApp for iOS and on August 4, 2025, for WhatsApp Business for iOS and WhatsApp for Mac. The attacks targeted less than 200 users, including civil society individuals, and are suspected to be part of an advanced spyware campaign.

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  1. 29.08.2025 19:31 📰 2 articles · ⏱ 18d ago

    Zero-click vulnerability in WhatsApp exploited in targeted attacks

    The vulnerability (CVE-2025-55177) is a case of insufficient authorization of linked device synchronization messages. The flaw was patched on July 28, 2025, for WhatsApp for iOS and on August 4, 2025, for WhatsApp Business for iOS and WhatsApp for Mac. The flaw was exploited in combination with CVE-2025-43300, an out-of-bounds write vulnerability in the ImageIO framework. The attacks targeted less than 200 users, including civil society individuals, and are suspected to be part of an advanced spyware campaign.

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