The Windows NT Client Server Runtime Subsystem (CSRSS) can be subjected to a denial of service when all worker threads are waiting for user input.
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_nt | - | - |
| microsoft / windows_2000 | - | - |
| microsoft / windows_nt | 4.0-sp5 | 4.0-sp5.x |