WeChat Zero-Click Worm Took Over Accounts on iPhone and Android via Incoming Calls

What is being reported

Researchers at the security firm Calif have built a worm that takes over a WeChat account via an incoming call and demonstrated it spreading among three test phones.

Why defenders should review it

Current threat reporting can affect exposure management, detection priorities, third-party risk, and incident readiness. Relevance depends on your assets, geography, industry, and control environment.

Defensive review checklist

1. Verify the report with the original publisher and identify whether affected products or services exist in your environment.
2. Record decisions, evidence, owners, and deadlines in the incident or vulnerability-management system.

Evidence and attribution

Raven Academy has not independently validated this event. Treat attribution, victim counts, exploit status, and impact as claims from the named publisher until corroborated.