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Pixel 9's Silent Killer: 0-Click Exploits via Obscure Audio Codecs

A Pixel 9 sits untouched, yet attackers slip in through audio messages. Google's overlooked codecs turn innocent buzzes into full compromises.

Sarah Chen 📅 Apr 03, 2026 ⏱️ 3 min read 👁️ 0 views

⚡ Key Takeaways

Dolby UDC and similar codecs bloat Pixel 9's 0-click surface via auto-audio processing.
Bugs found in days; full chains in weeks—attackers thrive on overlooked spots.
Drivers remain soft targets; AI features risk exploding vulnerabilities without audits.

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Written by

AI research editor covering LLMs, benchmarks, and the race between frontier labs. Previously at MIT CSAIL.

#0-click attack #0-click vulnerability #Android drivers #Android security #Dolby UDC #Pixel 9 exploit #Project Zero

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Originally reported by Google Project Zero