SecurityUnverified

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

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. The person being called does not have to answer or touch their phone for it to work, but the caller must already be one of their WeChat contacts. Calif reported the flaw to Tencent in July and says the company has since

What happened

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. The person being called does not have to answer or touch their phone for it to work, but the caller must already be one of their WeChat contacts. Calif reported the flaw to Tencent in July and says the company has since

Why it matters

The development may change operating conditions or market expectations around Security. Further confirmation and measurable outcomes matter.

Affected entities

View evidence

1 reports · 1 original report · 1 independent

  1. The Hacker NewsPrimary source · Supports · EN · 100%
    WeChat Zero-Click Worm Took Over Accounts on iPhone and Android via Incoming Calls

Claims

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

Conflicts

No material conflict detected in the available evidence.

Timeline

  1. First reported

Market move following event

Market reaction is not yet available for this asset and time window.

Score explanation

Confidence · formula confidence-2.1.0
Source trust80
Independent corroboration51
Primary evidence35
Claim consistency82
Extraction confidence82
Attribution quality90
Impact · formula impact-2.1.0
Event magnitude45
Market relevance74
Entity significance42
Market breadth45
Novelty68
Urgency54
Ranking · formula rank-1.0.0
Confidence factor0.8425
Freshness factor0.9849
Breaking bonus0