Windows Server 2008 Build 6003 Patched 🏆

The turning point occurred after the official End of Extended Support on January 14, 2020. To ease the transition for customers who had purchased paid Extended Security Updates (ESU) , Microsoft continued releasing patches. However, a specific quality update—likely a servicing stack or a critical security patch for the kernel (e.g., CVE-2019-0708, "BlueKeep")—contained an unexpected artifact. Upon installation, the kernel’s GetVersionEx call and ver command began reporting Version 6.0 Build 6003 .

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion CurrentBuildNumber = 6003 CSDVersion = Service Pack 2 windows server 2008 build 6003 patched