A previously unknown bug in Microsoft Windows would allow an attacker to spoof Windows dialog boxes that surface when making changes to the Windows registry. White-hat researcher John Page (a.k.a. hyp3rlinx) says it’s possible to edit what the dialog box says, to trick users into clicking Yes The Windows registry is essentially a database repository that logs software and application configuration information, device drivers for hardware and other system information. Microsoft said that it would not be issuing a patch for the bug.
Source: https://threatpost.com/windows-bug-spoof-dialog-boxes/142711/