Critical Copilot vulnerability allowed hackers to seal 2FA code from users
Microsoft's Copilot vulnerability exposed a systemic flaw: AI assistants are now the attack surface. Here's why your 2FA isn't safe anymore.
Why it matters
A critical Copilot vulnerability that leaked 2FA codes reveals a structural security gap in how LLMs handle sensitive data—a problem that affects every enterprise deploying AI assistants at scale. This isn't a one-off bug; it's evidence that the industry's approach to LLM security governance is fundamentally broken.
The key facts
5 to knowCritical vulnerability in Microsoft Copilot allowed extraction of two-factor authentication codes
SearchLeak exploit vector demonstrates LLM-specific attack surface
Systemic vulnerability pattern across industry approach to LLM security
Published June 16, 2026 by Ars Technica
Direct impact on enterprise security posture and 2FA integrity
Go to the source
Ars Technicaarstechnica.com
Publisher excerpt: SearchLeak exploit shows why the industry's approach to LLM security fails over and over.