The thread termination routine in the kernel for Windows NT 4.0 and 2000 (NTOSKRNL.EXE) allows local users to modify kernel memory and execution flow via steps in which a terminating thread causes Asynchronous Procedure Call (APC) entries to free the wrong data, aka the "Windows Kernel Vulnerability."
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_nt | 4.0 | 4.0.x |
| microsoft / windows_2000 | - | - |