Groan

get-update-history.vbs

'Usage: psexec @target-computer-list.txt -u "username" cscript \\share\get-update-history.vbs
'Unfortunately, nicer methods like PowerShell Get-Hotfix / WMI query to Win32_QuickFixEngineering does not capture a complete list of updates
'If you have servers with various versions of .NET, PowerShell, without PowerShell, and they aren't all under SCCM or some other kind of centralized management, this might be your best shot at reporting updates.
'This method will get everything, but then needs to be parsed for Operation (not necessarily an Install), and result (not necessarily successful)
'Extracting a KB number is basically just a regex for the content between ( and )
'For more, see https://msdn.microsoft.com/en-us/library/windows/desktop/aa387291(v=vs.85).aspx and https://msdn.microsoft.com/en-us/library/windows/desktop/aa386077(v=vs.85).aspx

Dim o
Set o = CreateObject("Microsoft.Update.Session")
Set s = o.CreateUpdateSearcher()
count = s.GetTotalHistoryCount()
Set updates = s.QueryHistory(0, count)

On Error Resume Next

Set wshNetwork = WScript.CreateObject( "WScript.Network" )
hostid = wshNetwork.ComputerName

For i = 0 to count
    title = ""
    operation = ""
    hresult = ""
    mydate = ""
    
    title = updates(i).title
    operation = cstr(updates(i).operation)
    mydate = cstr(updates(i).date)
    hresult = cstr(updates(i).hresult)
    WScript.Echo hostid, VBTab, title, VBTab, mydate, VBTab, operation, VBTab, hresult
Next