CVE-2022-29125
📋 TL;DR
This vulnerability allows an attacker to elevate privileges on Windows systems by exploiting a flaw in Windows Push Notifications Apps. Attackers could gain SYSTEM-level access by running specially crafted code. All Windows systems with the vulnerable component are affected.
💻 Affected Systems
- Windows 10
- Windows 11
- Windows Server 2022
📦 What is this software?
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 10 by Microsoft
Windows 11 by Microsoft
Windows 11 by Microsoft
Windows 8.1 by Microsoft
Windows 8.1 by Microsoft
Windows Rt 8.1 by Microsoft
Windows Server by Microsoft
Windows Server by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with SYSTEM privileges, allowing installation of malware, data theft, and persistence mechanisms.
Likely Case
Local privilege escalation from a standard user account to SYSTEM, enabling lateral movement and credential harvesting.
If Mitigated
Limited impact if proper endpoint protection and least privilege principles are enforced.
🎯 Exploit Status
Exploitation requires local access to the system. Proof-of-concept code has been publicly released.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: May 2022 security updates (KB5013942 for Windows 10, KB5013943 for Windows 11)
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-29125
Restart Required: Yes
Instructions:
1. Apply May 2022 Windows security updates via Windows Update. 2. For enterprise environments, deploy updates through WSUS or SCCM. 3. Restart systems after patch installation.
🔧 Temporary Workarounds
Disable Windows Push Notifications Apps
windowsDisable the vulnerable component to prevent exploitation
Remove-AppxPackage -Package Microsoft.Windows.PushNotifications_*
🧯 If You Can't Patch
- Implement strict endpoint detection and response (EDR) to detect privilege escalation attempts
- Enforce least privilege principles and restrict local administrator access
🔍 How to Verify
Check if Vulnerable:
Check if system is running affected Windows versions without May 2022 security updatesCheck Version:
wmic qfe list | findstr KB5013942Verify Fix Applied:
Verify KB5013942 (Windows 10) or KB5013943 (Windows 11) is installed📡 Detection & Monitoring
Log Indicators:
- Event ID 4688 with suspicious process creation from push notification services
- Unexpected SYSTEM privilege escalation events
Network Indicators:
- None - this is a local privilege escalation vulnerability
SIEM Query:
EventID=4688 AND (ProcessName="*push*" OR CommandLine="*push*") AND NewProcessName="*cmd*" OR NewProcessName="*powershell*"