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.

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

Your Windows Product Key is a 25-character code needed for reinstalling or upgrading your operating system, often hidden in your digital account or computer hardware ...

There's lots to do after you install Windows 11.

Microsoft broke from its regular monthly patch schedule in late May 2026 to push an emergency fix for a vulnerability that ...

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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 ...

Last month, Microsoft released the April 2026 Patch Tuesday updates for Windows 11 versions 23H2 and 24H2/25H2 under KB5082052 and KB5083769, respectively. While the updates introduced several ...

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.

A Microsoft’s April 2026 Patch Tuesday update is locking some Windows Server 2025 and Windows 11 administrators out of their own machines. After installing the KB5082063 security update, released on ...