Home Microsoft CVE-2024-43563
Back to Microsoft

CVE-2024-43563

Windows - Ancillary Function Driver for WinSock

Microsoft CVSS 7.8 Updated March 15, 2026

Executive Risk Summary

"The Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability (CVE-2024-43563) allows an attacker to elevate privileges on a vulnerable system. Successful exploitation could grant an attacker elevated access to sensitive data and system resources."

Operational Audit Arsenal

Target Type Driver
Target Asset afd.sys
Standard Path %windir%\System32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: afd.sys (Driver)
$Targets = 'afd.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

Network services may be affected

Internal Work Notes

Apply latest Windows security updates to mitigate potential elevation of privilege vulnerability in Ancillary Function Driver for WinSock

Technical Intelligence & Operational Utilities • Delivered Weekly

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.