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CVE-2024-43642

Windows - SMB

Microsoft CVSS 7.5 Updated March 15, 2026

Executive Risk Summary

"A denial of service vulnerability exists in Windows SMB, which could allow an attacker to cause a system to become unresponsive. This vulnerability can be exploited by sending a specially crafted packet to the affected system."

Operational Audit Arsenal

Target Type Service
Target Asset SMB Server
Standard Path %windir%\System32\drivers\smb.sys
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: SMB Server (Service)
$Targets = 'SMB Server'
$SearchPaths = @("$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

File and printer sharing services may be affected

Internal Work Notes

Apply latest Windows security updates to mitigate potential denial of service vulnerability in SMB

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