THREAT ADVISORY Passkey Authentication Compromise (Pass-the-Passkey) September 8, 2026

DOWNLOAD PDF Severity: High Threat Category: Identity Compromise, Authentication Bypass, Credential Enrollment Abuse Affected Technologies: FIDO2/WebAuthn implementations synchronized passkeys, Windows passkey authentication, browser credential stores, password managers, account recovery systems, and passkey enrollment workflows. Executive Summary Security researchers have documented at least 39 attack methods, exploitation scenarios, and research techniques that can…