Usando a classe Win32_ClassicCOMClassSetting com o Powershell
Get-WMIObject Win32_ClassicCOMClassSetting -Filter "AppID='{1CECFD4D-2CFB-4626-95C7-0266C26960FA}'" | select -ExpandProperty InProcServer32
ou usando o WMIC
wmic /namespace:\root\cimv2 path Win32_ClassicCOMClassSetting WHERE AppID^="{1CECFD4D-2CFB-4626-95C7-0266C26960FA}" Get InProcServer32
* isso foi testado no Windows 8.1 x64
ou usando reg.exe
reg QUERY HKCR\Wow6432Node\CLSID\{1CECFD4D-2CFB-4626-95C7-0266C26960FA}\Inprocserver32 /ve