← Back to Feed
Flaws in Passkey Implementation Show Old Attacks Still Work
July 22, 2026 · Dark Reading · Severity: HIGH
This article reports on research presented ahead of Black Hat USA, revealing exploitable flaws in how Microsoft handles passkeys. These flaws could allow attackers to impersonate privileged users, demonstrating that old attack techniques remain effective against modern authentication methods.
Key Takeaways
- Researchers found exploitable flaws in Microsoft's passkey implementation.
- These flaws could allow attackers to impersonate privileged users.
- The findings show that old attack methods still work against new technologies.