Useful COM object libraries

internetExplorer.Application (VBA)

Microsoft Forms (VBA)

Microsoft HTML Object Library (MSHTML)

Microsoft Scripting Runtime (Whose progId is Scripting.fileSystemObject).

Scripting.Dictionary

Microsoft Script Control (VBA)

Microsoft Speech Object Library

Microsoft VBScript Regular Expressions

Microsoft-Visual-Basic-for-Application-Extensibility

Windows HTTP Services (VBA)

MSXML (VBA)

Type Lib Information (VBA)

Windows Script Host (VBA) (of which the Prog ID is wScript.shell)

Shell Automation Service (Prog ID: shell.application).

Microsoft.Update.Session allows to query the update history of applications (as opoosed to QFE updates).