MEmu Android Emulator LPE Vulnerability: Detection and Hardening Guide

---
title: MEmu Hypervisor Driver Load
id: 9a2b3c4d-5e6f-7a8b-9c0d-1e2f3a4b5c6d
status: experimental
description: Detects the loading of the MEmu hypervisor driver which is susceptible to privilege escalation in version 9.2.7.0.
references:
  - https://www.exploit-db.com/exploits/52615
author: Security Arsenal
date: 2026/04/06
tags:
  - attack.privilege_escalation
  - attack.t1068
logsource:
  category: driver_load
  product: windows
detection:
  selection:
    ImageLoaded|endswith:
      - '\MEmuHyperv.sys'
      - '\MEmuVMM.sys'
    Signed: 'false'
  condition: selection
falsepositives:
  - Legitimate installation of MEmu Emulator (verify version)
level: medium
---
title: MEmu Service Spawning Shell
id: b3c4d5e6-7f8a-9b0c-1d2e-3f4a5b6c7d8e
status: experimental
description: Detects the MEmu emulator service spawning a command shell or PowerShell, which may indicate exploitation of the LPE vulnerability.
references:
  - https://www.exploit-db.com/exploits/52615
author: Security Arsenal
date: 2026/04/06
tags:
  - attack.execution
  - attack.t1059.001
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    ParentImage|contains:
      - '\MEmu\'
    Image|endswith:
      - '\cmd.exe'
      - '\powershell.exe'
      - '\pwsh.exe'
  condition: selection
falsepositives:
  - Administrative troubleshooting (rare for automated service)
level: high

// Hunt for MEmu Hypervisor driver loads
DeviceImageLoadEvents
| where FileName endswith "MEmuHyperv.sys" or FileName endswith "MEmuVMM.sys"
| project Timestamp, DeviceId, FileName, FolderPath, InitiatingProcessAccountName, SHA256
| order by Timestamp desc


// Hunt for suspicious parent-child process relationships involving MEmu
DeviceProcessEvents
| where InitiatingProcessFolderPath contains "Microvirt" or InitiatingProcessFolderPath contains "MEmu"
| where FileName in~ ("cmd.exe", "powershell.exe", "whoami.exe")
| project Timestamp, DeviceId, FileName, ProcessCommandLine, InitiatingProcessFileName, InitiatingProcessCommandLine, AccountName
| order by Timestamp desc

-- Hunt for the vulnerable MEmu driver files on disk
SELECT FullPath, Size, Mtime, Btime
FROM glob(globs="C:/Program Files/Microvirt/MEmu/**/*.sys")
WHERE Name =~ "MEmuHyperv" OR Name =~ "MEmuVMM"


-- Hunt for processes where MEmu service is the parent of a shell
SELECT Pid, Ppid, Name, Exe, CommandLine, Username
FROM pslist()
WHERE Ppid IN (SELECT Pid FROM pslist() WHERE Exe =~ "MEmu.*\(MEmuService|Memu)")
  AND Name IN ("cmd.exe", "powershell.exe", "pwsh.exe")

<#
    .SYNOPSIS
    Detects and mitigates vulnerable MEmu Android Emulator versions.
    .DESCRIPTION
    Checks for the presence of MEmu Emulator <= 9.2.7.0 and attempts to disable the vulnerable driver service if an upgrade is not immediately possible.
#>

$TargetVersion = [version]"9.2.7.0"
$InstallPath = "${env:ProgramFiles}\Microvirt\MEmu"
$MemuExe = "$InstallPath\MEmu.exe"
$DriverName = "MEmuHyperv"

Write-Host "[+] Checking for MEmu Android Emulator installation..."

if (Test-Path $MemuExe) {
    try {
        $VersionInfo = (Get-Item $MemuExe).VersionInfo.FileVersion
        $CurrentVersion = [version]$VersionInfo
        Write-Host "[!] Found MEmu version: $CurrentVersion"

        if ($CurrentVersion -le $TargetVersion) {
            Write-Host "[!!!] ALERT: Vulnerable version detected ($CurrentVersion <= $TargetVersion)."
            Write-Host "[+] Recommendation: Update MEmu to the latest version immediately."
            
            # Attempt to disable the vulnerable driver service as an interim mitigation
            $Service = Get-Service -Name $DriverName -ErrorAction SilentlyContinue
            if ($Service) {
                Write-Host "[+] Attempting to stop and disable the $DriverName service..."
                try {
                    Stop-Service -Name $DriverName -Force -ErrorAction Stop
                    Set-Service -Name $DriverName -StartupType Disabled -ErrorAction Stop
                    Write-Host "[SUCCESS] Service $DriverName stopped and disabled."
                } catch {
                    Write-Host "[-] Failed to modify service state: $_"
                }
            } else {
                Write-Host "[-] Service $DriverName not found or already handled."
            }
        } else {
            Write-Host "[OK] Version $CurrentVersion is likely patched."
        }
    } catch {
        Write-Host "[-] Error reading version info: $_"
    }
} else {
    Write-Host "[OK] MEmu Emulator not found in default path."
}