Researchers Build WeChat Zero-Click Worm Hijacking Phones via Calls

September 8, 2026 · 9:05 am 4 sources

Image: The New York Times

Coverage

Wires & papers of record

• A.I. Models Built a Computer Worm That Could Rapidly Hack WeChat Accounts
  The New York Times · September 8, 2026 09:05
  The attack, discovered by A.I. researchers, could have compromised hundreds of millions of devices within hours, experts said.

Coverage

• “Zero-click” WeChat worm could hijack accounts and spread via a single call
  Help Net Security · September 8, 2026 13:40
  Researchers with security company Calif have discovered, weaponized, and privately reported to Tencent a critical vulnerability that allowed them to create “WeWorm”, a worm that spreads via WeChat calls without any user interaction. During its rampage, the WeWorm compromises the WeChat account of…
• Researchers Build WeChat Zero-Click Worm Hijacking Phones via Calls
  Infosecurity Magazine · September 9, 2026 15:00
  The hacking tool, built using a combination of AI models, is effective against Android and iOS devices

More coverage

• WeChat Zero-Click Worm Took Over Accounts on iPhone and Android via Incoming Calls
  The Hacker News · September 8, 2026 11:54
  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…