Experimente este script do Powershell:
$update = new-object -com Microsoft.update.Session
$searcher = $update.CreateUpdateSearcher()
$pending = $searcher.Search("IsInstalled=0")
foreach($entry in $pending.Updates)
{
Write-host "Title: " $entry.Title
Write-host "Downloaded? " $entry.IsDownloaded
Write-host "Description: " $entry.Description
foreach($category in $entry.Categories)
{
Write-host "Category: " $category.Name
}
Write-host " "
}
Outros membros de objeto nos quais você pode se interessar podem ser visualizados usando:
$pending.Updates | member | more