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

Microsoft’s monthly update included 206 fixes for flaws in everything from Windows to Office to Exchange Server, not to mention three zero-days.

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day after they published an exploit for Microsoft Defender.

Microsoft’s Windows 10 update KB5094127 is causing BitLocker recovery key prompts on enterprise PCs with specific Group Policy configurations. PCWorld reports this primarily affects business systems ...

Security researcher Nightmare Eclipse has released a new Windows BitLocker bypass, only one day after publishing an exploit targeting Microsoft Defender. Named GreatXML, the fresh exploit allows users ...

Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read and ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft publishes angry hacker YellowKey zero-day mitigation. As an angry hacker going by ...

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 ...

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 ...

A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker protections and gain complete access to an encrypted drive within seconds.

An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypass and a privilege escalation impacting ...