Public/Get-WindowsHotfixes.ps1
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<#
.SYNOPSIS Retrieves a list of installed Windows updates (hotfixes) on the local machine. .DESCRIPTION This function uses the Windows Management Instrumentation Command-line (WMIC) tool to list all the hotfixes installed on the local machine. It formats the output into a more readable PowerShell object list. .OUTPUTS System.Management.Automation.PSCustomObject Returns custom objects with detailed information about each hotfix. .EXAMPLE Get-WindowsHotfixes Retrieves hotfixes and displays detailed information in a formatted list. $params1 = @{ ComputerName = "jmp001" ScriptBlock = ${function:Get-WindowsHotfixes} #filter= {$_.Installedon -gt ((Get-Date).Adddays(-2))} } Invoke-Command @params1|Where-Object {([DateTime]$_.Installedon) -gt ((Get-Date).Adddays(-30))}|Select-Object -Property Computername, KBArticle,InstalledOn, HotFixID, InstalledBy|Format-Table Retrieves hotfixes and displays detailed information in a formatted Table on remote computer. .NOTES Requires administrative privileges on the remote computer and appropriate permissions to use PowerShell remoting. #> function Get-WindowsHotfixes { [CmdletBinding()] [OutputType([PSCustomObject])] $outputs = Invoke-Expression "wmic qfe list" $outputs = $outputs[1..($outputs.length - 1)] # Skip the header line foreach ($output in $outputs) { if ($output) { # Replace certain strings for consistent splitting $output = $output -replace 'Security Update', 'Security-Update' -replace 'NT AUTHORITY', 'NT-AUTHORITY' -replace '\s+', ' ' $parts = $output -split ' ' # Date processing based on the expected format in part[5] $dateString = $parts[5] $dateis = if ($dateString -like "*/*/*") { [datetime]::ParseExact($dateString, 'M/d/yyyy', [Globalization.CultureInfo]::InvariantCulture) } else { (Get-Date ([DateTime][Convert]::ToInt64($dateString, 16))).ToString('M/d/yyyy') } # Construct the output object [PSCustomObject]@{ KBArticle = $parts[0] Computername = $parts[1] Description = $parts[2] FixComments = $parts[6] HotFixID = $parts[3] InstalledOn = $dateis.ToString("dddd, d MMMM yyyy") InstalledBy = $parts[4] InstallDate = $parts[7] Name = $parts[8] ServicePackInEffect = $parts[9] Status = $parts[10] } } } } |