Researchers Demonstrate Zero-Click WeChat Worm Spreading via Incoming Calls
Calif security firm reports flaw affecting iPhone and Android; caller must be a WeChat contact
Key Takeaways
- A zero-click worm for WeChat was demonstrated, spreading via incoming calls without requiring the target to answer.
- The attacker must already be in the victim's WeChat contact list for the exploit to succeed.
- The vulnerability affects both iPhone and Android versions of WeChat.
- The flaw was reported to Tencent in July 2026; patch status is pending confirmation.
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