---
id: 1282
title: "What we learned about TEE security from auditing WhatsApp's Private Inference"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2026/04/07/what-we-learned-about-tee-security-from-auditing-whatsapps-private-inference/"
published_at: "2026-04-07 11:00"
tags: ["ai-security", "appsec", "vulnerability-research", "whatsapp", "cryptography", "meta", "audit", "tee", "trusted-execution-environment", "ai-privacy"]
phying_url: "https://phying.com/item/1282"
lang: en
---

# What we learned about TEE security from auditing WhatsApp's Private Inference

## Summary

Audit of WhatsApp's Private Inference found 28 issues, 8 high-severity, that could bypass its privacy guarantees — proving TEEs are no silver bullet for combining encryption with AI features.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2026-04-07 11:00
- **Original:** https://blog.trailofbits.com/2026/04/07/what-we-learned-about-tee-security-from-auditing-whatsapps-private-inference/
- **Phying News:** https://phying.com/item/1282