CVE-2025-53144
📋 TL;DR
A type confusion vulnerability in Windows Message Queuing allows authenticated attackers to execute arbitrary code remotely. This affects systems with Message Queuing enabled, potentially leading to full system compromise. Organizations using Windows servers with this service are at risk.
💻 Affected Systems
- Windows Message Queuing
📦 What is this software?
Windows 10 1507 by Microsoft
Windows 10 1507 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1607 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 1809 by Microsoft
Windows 10 21h2 by Microsoft
Windows 10 22h2 by Microsoft
Windows 11 22h2 by Microsoft
Windows 11 23h2 by Microsoft
Windows 11 24h2 by Microsoft
⚠️ Risk & Real-World Impact
Worst Case
Full remote code execution leading to complete system takeover, lateral movement across network, and data exfiltration.
Likely Case
Privilege escalation leading to unauthorized access to sensitive data and disruption of messaging services.
If Mitigated
Limited impact with proper network segmentation and authentication controls in place.
🎯 Exploit Status
Requires authentication but once authenticated, exploitation is relatively straightforward for skilled attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Microsoft Security Update Guide for specific KB numbers
Vendor Advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53144
Restart Required: Yes
Instructions:
1. Apply latest Windows security updates from Microsoft Update. 2. Restart affected systems. 3. Verify Message Queuing service is updated.
🔧 Temporary Workarounds
Disable Message Queuing Service
windowsDisable the Windows Message Queuing service if not required
sc stop MSMQ
sc config MSMQ start= disabled
Block Network Ports
allBlock Message Queuing network ports at firewall
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Message Queuing servers
- Enforce strong authentication and limit user access to Message Queuing services
🔍 How to Verify
Check if Vulnerable:
Check if Message Queuing service is installed and running: Get-WindowsFeature MSMQ-Server (PowerShell) or sc query MSMQCheck Version:
Get-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\* | Select-Object DisplayName, DisplayVersion | Where-Object {$_.DisplayName -like '*Message Queuing*'}Verify Fix Applied:
Verify Windows Update history shows relevant security patches applied and Message Queuing service version is updated📡 Detection & Monitoring
Log Indicators:
- Unusual Message Queuing service restarts
- Failed authentication attempts to MSMQ
- Unusual process creation from MSMQ service
Network Indicators:
- Unusual traffic to Message Queuing ports (TCP 1801, 2103, 2105)
- Suspicious RPC calls to MSMQ endpoints
SIEM Query:
EventID=4688 AND ProcessName LIKE '%msmq%' AND ParentProcessName NOT LIKE '%services%'