Versions

6.3.9600.16384 (winblue_rtm.130821-1623)	5.89%
6.3.9431.0 (winmain_bluemp.130615-1214)	0.12%
6.2.9200.16384 (win8_rtm.120725-1247)	55.36%
6.2.9200.16384 (win8_rtm.120725-1247)	21.20%
6.2.8400.0 (winmain_win8rc.120518-1423)	0.24%
6.1.7600.16385 (win7_rtm.090713-1255)	5.30%
6.1.7600.16385 (win7_rtm.090713-1255)	4.83%
6.1.7600.16385 (win7_rtm.090713-1255)	2.24%
6.1.7600.16385 (win7_rtm.090713-1255)	2.47%
6.0.6000.16386 (vista_rtm.061101-2205)	1.18%
6.0.6000.16386 (vista_rtm.061101-2205)	0.59%
6.0.6000.16386 (vista_rtm.061101-2205)	0.47%
6.0.5716.32 (winmain(wmbla).060928-1756)	0.12%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

WUDFHost.exe has 13 known versions, the most recent one is 6.3.9600.16384 (winblue_rtm.130821-1623). WUDFHost.exe is run as a standard windows process under the context of the LOCAL SERVICE account. The average file size is about 195.38 KB. During the process's lifecycle, the typical CPU resource utilization is about 0.0014% including both foreground and background operations, the average private memory consumption is about 2.81 MB with the maximum memory reaching around 6.56 MB. Addionally, typically read and write I/O disk operations is about 15.65 KB per minute for reads and 2.99 KB per minute for writes.

Windows Driver Foundation (WDF) is a set of Microsoft tools that aid in the creation of device drivers for Windows. The User-Mode Driver Framework, for writing certain classes of driver that can run in user-mode.