Posershell script to install *.cab and *.msu

# List of remote computers
$Computers = @(
    "PC01",
    "PC02",
    "PC03"
)
# Source files location
$SourcePath = "\\FileServer\Updates"
# Update files
$SSUFile = "SSU-26100.8648-x64.cab"
$MSUFile = "windows11.0-kb5094126-x64.msu"
# Remote temp folder
$RemoteTemp = "C$\Temp\Updates"
foreach ($Computer in $Computers) {
    Write-Host "Processing $Computer ..." -ForegroundColor Cyan
    # Create remote folder
    Invoke-Command -ComputerName $Computer -ScriptBlock {
        New-Item -Path "C:\Temp\Updates" -ItemType Directory -Force | Out-Null
    }
    # Copy files
    Copy-Item "$SourcePath\$SSUFile" "\\$Computer\$RemoteTemp\" -Force
    Copy-Item "$SourcePath\$MSUFile" "\\$Computer\$RemoteTemp\" -Force
    # Install updates remotely
    Invoke-Command -ComputerName $Computer -ScriptBlock {
        $SSU = "C:\Temp\Updates\SSU-26100.8648-x64.cab"
        $MSU = "C:\Temp\Updates\windows11.0-kb5094126-x64.msu"
        Write-Host "Installing SSU..."
        dism /Online /Add-Package /PackagePath:$SSU /Quiet /NoRestart
        Write-Host "Installing MSU..."
        wusa.exe $MSU /quiet /norestart
    }
    Write-Host "$Computer completed." -ForegroundColor Green
}

If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

hth

Marcin