Microsoft's KB5094127 update may force some Windows 10 users to enter their BitLocker recovery key. Here's what's happening.

GreatXML, a new Windows BitLocker bypass exploit, targets a zero-day vulnerability in Microsoft Defender’s offline scan.

Microsoft has resolved a known issue causing some Windows Server 2025 devices to boot into BitLocker recovery after installing the April 2026 security update.

A publicly disclosed and widely unpatched zero-day vulnerability, named YellowKey, permits anyone with physical access to a device running Windows ...

There are several reasons why the BitLocker Recovery tab might disappear from Active Directory Users and Computers (ADUC), leaving administrators confused. The most common reason is that the RSAT ...

Microsoft on Tuesday rolled out mitigations for YellowKey, a recently disclosed zero-day vulnerability leading to BitLocker bypass. The issue, now tracked as CVE-2026-45585 (CVSS score of 6.8), can be ...

Microsoft has fixed the Windows 11 BitLocker recovery bug in KB5089549, but Windows 10 and Windows Server admins still need April key-access workarounds. Some Windows Server 2025 and Windows 11 ...

Update 5/21: Since this article was released, recommend mitigations for YellowKey and other attacks have been released, as well as a full patch for BlueHammer. Nightmare-Eclipse, a cybersecurity ...

The Epitome of WTF: A researcher known as "Nightmare-Eclipse" recently released YellowKey, a security vulnerability that allegedly enables a full bypass of BitLocker's full-volume encryption. The ...

BitLocker is an integral part of Windows 11's security, and it works best when it's configured and managed properly. When you purchase through links on our site, we may earn an affiliate commission.

Microsoft’s latest Windows 11 update is causing some unexpected trouble for a small number of users. The April 2026 update (KB5083769), which started rolling out recently, was designed to bring users ...