It was possible to hack the phone. WhatsApp patches the vulnerability.
CVE-2022-27492
An integer overflow in WhatsApp for Android prior to v2.22.16.12, Business for Android prior to v2.22.16.12, iOS prior to v2.22.16.12, Business for iOS prior to v2.22.16.12 could result in remote code execution in an established video call.
CVE-2022-27492
An integer underflow in WhatsApp for Android prior to v2.22.16.2, WhatsApp for iOS v2.22.15.9 could have caused remote code execution when receiving a crafted video file.
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