In early 2004, a significant portion of the Windows NT 5 (Windows 2000) source code tree was leaked to the internet. Approximately 15% of the codebase—including core network components, the base OS kernel, and some user-mode libraries—was exposed. Microsoft confirmed the leak, stating it was not from an internal compromise but from a third-party partner with access to the Shared Source Initiative.
It is either:
While Windows XP and 2000 are "end-of-life" (EOL) products, the archive remains a cornerstone for several groups: 1. The ReactOS Project Nt5src.7z Notrepacked