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Zero-dayMay 23, 2026

🚨WhatsApp zero-day exploit allegedly advertised for sale A threat actor on an underground forum...

Threat actor claims to sell WhatsApp zero-day exploit for malware installation.

Summary

A threat actor is advertising a WhatsApp zero-day exploit for sale on an underground forum, claiming it can install malware or backdoors via private messages. The exploit allegedly works on both phones and desktop platforms. Details remain limited pending further investigation.

Indicators of Compromise

  • malware — WhatsApp zero-day exploit

Entities

WhatsApp (product)Meta (vendor)Unknown underground forum actor (threat_actor)