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CVE-2025-50177

Windows - Message Queuing

Microsoft CVSS 8.1 Updated March 12, 2026

Executive Risk Summary

"A use-after-free vulnerability in Windows Message Queuing allows an unauthorized attacker to execute code over a network, potentially leading to code execution and system compromise. This vulnerability poses a significant risk to Windows systems that have Message Queuing enabled, as it can be exploited remotely without user interaction."

Operational Audit Arsenal

Target Type DLL
Target Asset mqac.sys
Standard Path %windir%\System32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: mqac.sys (DLL)
$Targets = 'mqac.sys'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Likely

Message Queuing service

Internal Work Notes

High-severity vulnerability in Windows Message Queuing, requiring immediate patching to prevent remote code execution

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Intelligence Sources

Related Microsoft Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.