Three independent research efforts presented at Black Hat USA 2026 and in subsequent disclosures have demonstrated practical attacks against passkey implementations, undermining…
SpecterOps presented Pass-the-Passkey at Black Hat USA 2026, showing that Windows stores YubiKey signatures in cleartext, enabling privileged-user impersonation via Microsoft Entra…
Windows stores past YubiKey signatures in cleartext, allowing authenticated unprivileged users to read them. This issue is tracked as CVE-2026-34348 and affects…