25 Sep, 2026

Windows BitLocker zero-day gives access to protected drives, PoC released

A cybersecurity researcher has published proof-of-concept (PoC) exploits for two unpatched Microsoft Windows vulnerabilities named YellowKey and GreenPlasma, which are a BitLocker bypass and a privilege-escalation flaw. Known as Chaotic Eclipse or Nightmare Eclipse, the researcher describes the BitLocker bypass issue as functioning like a backdoor because the vulnerable component is present only in the […]

6 mins read

Microsoft fixes BitLocker recovery issue only for Windows 11 users

Microsoft has addressed a known issue causing some Windows 11 systems to boot into BitLocker recovery after installing the April 2026 Windows security updates. BitLocker is a Windows security feature that encrypts storage drives to protect against data theft. It also often activates recovery mode after hardware changes or TPM (Trusted Platform Module) updates, blocking […]

2 mins read

Microsoft fixes Windows Autopatch bug installing restricted drivers

Microsoft has fixed a Windows Autopatch bug that caused driver updates restricted by administrative policies to be deployed on some Autopatch-managed Windows devices in the European Union. According to a service alert first spotted by Microsoft MVP Susan Bradley, the issue affected only a limited number of devices running client Windows platforms (i.e., Windows 11 […]

1 min read

Microsoft says some users can’t install Office on Windows 365 devices

Microsoft says some customers are experiencing issues downloading and installing Office on their Windows 365 devices. Windows 365 is a cloud-based service that runs on Azure Virtual Desktop and allows enterprise customers with Windows 365 Enterprise or Windows 365 Business subscriptions to stream Windows Cloud PCs to end users. According to a service alert seen […]

1 min read

Dell confirms its SupportAssist software causes Windows BSOD crashes

Dell confirmed that its SupportAssist software is causing blue-screen crashes on some Windows systems following a wave of user reports about random reboots affecting Dell devices since Friday. SupportAssist is a software suite developed by Dell that comes pre-installed on most new Dell computers running Windows 10 or Windows 11. A Dell representative told customers […]

2 mins read

Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-days

Today is Microsoft’s May 2026 Patch Tuesday, with security updates for 120 flaws and no zero-days disclosed. This Patch Tuesday addresses 17 “Critical” vulnerabilities, 14 of which are remote code execution, 2 are elevation of privilege, and 1 is an information disclosure flaw. The number of bugs in each vulnerability category is listed below: When […]

12 mins read

Microsoft releases Windows 10 KB5087544 extended security update

Microsoft has released the Windows 10 KB5087544 extended security update to fix the May 2026 Patch Tuesday vulnerabilities and resolve an issue with the new Remote Desktop warnings. If you are running Windows 10 Enterprise LTSC or are enrolled in the ESU program, you can install this update like normal by going into Settings, clicking on Windows Update, and […]

2 mins read

Windows 11 KB5089549 & KB5087420 cumulative updates released

Microsoft has released Windows 11 KB5089549 and KB5087420 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the May 2026 Patch Tuesday security patches for 120 vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually download and […]

6 mins read

New GhostLock tool abuses Windows API to block file access

A security researcher has released a proof-of-concept tool named GhostLock that demonstrates how a legitimate Windows file API can be abused in attacks to block access to files stored locally or on SMB network shares. This technique, created by Kim Dvash of Israel Aerospace Industries, abuses the Windows ‘CreateFileW‘ API and file-sharing modes to prevent other users and […]

3 mins read

Microsoft confirms April Windows updates cause backup failures

Microsoft has confirmed that the April 2026 security updates are causing failures in third-party backup applications using the psmounterex.sys driver. As GeekFeed reported last week, this issue affects software using VSS (Volume Shadow Copy Service) snapshots and causes failures due to a VSS service timeout. Software impacted by this includes, but is not limited to, products from Macrium (Reflect), Acronis (Cyber […]

3 mins read