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Edge Store cleanup

To force the cleanup rather than waiting on it:

Get-AppxPackage -AllUsers -Name Microsoft.MicrosoftEdge.Stable | Where-Object { $_.Version -eq '147.0.3912.60' } | Remove-AppxPackage -AllUsers

Also remove the provisioned copy so it doesn't reappear for new user profiles on that host:

Get-AppxProvisionedPackage -Online | Where-Object { $_.DisplayName -eq 'Microsoft.MicrosoftEdge.Stable' -and $_.Version -eq '147.0.3912.60' } | Remove-AppxProvisionedPackage -Online

Here's a combined script that verifies the real (MSI) Edge version is patched, then cleans up any stale AppX Edge registrations below the fix version — rather than hardcoding 147.0.3912.60, it compares against the fix threshold so it's reusable for future CVEs too.

# --- Config ---
$minSafeVersion = [version]"149.0.4022.69"

# --- Step 1: Verify the real (MSI-installed) Edge is patched ---
$edgeApp = Get-ItemProperty -Path @(
    "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"
) -ErrorAction SilentlyContinue | Where-Object { $_.DisplayName -eq "Microsoft Edge" } | Select-Object -First 1

if (-not $edgeApp) {
    Write-Output "Microsoft Edge (MSI) not found via registry - cannot verify patch status."
    exit 1
}

$installedVersion = [version]$edgeApp.DisplayVersion
Write-Output "Installed Edge (MSI) version: $installedVersion"

if ($installedVersion -lt $minSafeVersion) {
    Write-Output "Edge MSI version is below the safe threshold ($minSafeVersion). Patch not applied - exiting without cleanup."
    exit 2
}

Write-Output "Edge MSI is patched (>= $minSafeVersion). Proceeding to clean up stale Store/AppX registrations."

# --- Step 2: Remove stale AppX Edge Stable packages below the safe version ---
$staleInstalled = Get-AppxPackage -AllUsers -Name "Microsoft.MicrosoftEdge.Stable" -ErrorAction SilentlyContinue |
    Where-Object { [version]$_.Version -lt $minSafeVersion }

foreach ($pkg in $staleInstalled) {
    Write-Output "Removing stale installed AppX package: $($pkg.Version)"
    try {
        Remove-AppxPackage -Package $pkg.PackageFullName -AllUsers -ErrorAction Stop
        Write-Output "Removed installed package $($pkg.Version) successfully."
    } catch {
        Write-Output "Failed to remove installed package $($pkg.Version): $_"
    }
}

$staleProvisioned = Get-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue |
    Where-Object { $_.DisplayName -eq "Microsoft.MicrosoftEdge.Stable" -and [version]$_.Version -lt $minSafeVersion }

foreach ($pkg in $staleProvisioned) {
    Write-Output "Removing stale provisioned AppX package: $($pkg.Version)"
    try {
        Remove-AppxProvisionedPackage -Online -PackageName $pkg.PackageName -ErrorAction Stop
        Write-Output "Removed provisioned package $($pkg.Version) successfully."
    } catch {
        Write-Output "Failed to remove provisioned package $($pkg.Version): $_"
    }
}

if (-not $staleInstalled -and -not $staleProvisioned) {
    Write-Output "No stale AppX Edge Stable registrations found - nothing to clean up."
}

Write-Output "Edge patch verification and AppX cleanup complete."
exit 0

A couple of notes on why it's built this way:

  • Step 1 uses the registry Uninstall key directly rather than the Installed Applications Tanium sensor, since the script needs to make its own pass/fail decision at runtime — it can't query Tanium's own sensor data from inside a package action.
  • It only proceeds to cleanup if the real Edge is confirmed patched — this prevents a scenario where cleanup runs on a host that's actually still vulnerable (e.g., MSI install hasn't landed yet), since removing the AppX entry there wouldn't fix anything and would just erase a signal you might still want.
  • Exit codes: 0 = patched and cleaned, 1 = Edge not found at all (investigate), 2 = Edge found but still on an old version (patch hasn't applied yeat — different problem, needs the MSI push, not cleanup).

Tanium package command line:

cmd /c powershell.exe -NoProfile -ExecutionPolicy Bypass -File "edge-cleanup-stale-appx.ps1"

 

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