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CVE-2026-20832

Windows - Remote Procedure Call

Microsoft CVSS 7.8 Updated March 15, 2026

Executive Risk Summary

"A vulnerability in the Windows Remote Procedure Call Interface Definition Language (IDL) could allow an attacker to elevate privileges. This vulnerability requires an attacker to have existing access to the system, but could potentially be used to gain administrative control."

Operational Audit Arsenal

Target Type System Library
Target Asset rpcrt4.dll
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: rpcrt4.dll (System Library)
$Targets = 'rpcrt4.dll'
$SearchPaths = @("$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

Moderate

Internal Work Notes

Elevation of Privilege vulnerability in Windows RPC IDL, patching required to prevent potential administrative access

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Intelligence Sources

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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.