Microsoft has released a temporary mitigation for YellowKey, a Windows zero-day that can reportedly bypass BitLocker protections.

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s real-world impact.

What is YellowKey?: A zero-day exploit allowing BitLocker bypass on Windows 11 and select servers using a USB stick and WinRE. Why it matters: It grants full access to encrypted drives without keys, ...

A new BitLocker bypass vulnerability, CVE-2026-50507, lets anyone holding your stolen Windows laptop read its encrypted files without a password. Microsoft scored it 6.8 and patched it in June 2026, ...

Microsoft has acknowledged an issue affecting Windows 10 customers who have installed the KB4535680 security update that addresses a security feature bypass vulnerability in Secure Boot. Secure Boot ...

A publicly disclosed and widely unpatched zero-day vulnerability, named YellowKey, permits anyone with physical access to a device running Windows 11 or Windows Server 2022/2025 to bypass BitLocker ...

Three zero-days patched: Three publicly disclosed zero-day vulnerabilities in core Windows components were addressed in the June 2026 Patch Tuesday release. Privilege escalation flaw: A flaw in the ...

Microsoft has disabled a fix for a BitLocker security feature bypass vulnerability due to firmware incompatibility issues that were causing patched Windows devices to go into BitLocker recovery mode.

Researcher’s feud with Microsoft continues to escalate with new Windows zero-day flaw that an experience vulnerability expert says doesn’t work as advertised. A disgruntled researcher who has been ...

BitLocker locked me out of my PC after a system update, but the recovery key saved me. I found it on my Microsoft account under the device’s details and used it to unlock each encrypted drive. It’s a ...