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CVE-2026-20874

Windows - Management Services

Microsoft CVSS 7.8 Updated March 15, 2026

Executive Risk Summary

"A race condition vulnerability in Windows Management Services allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system compromise. This vulnerability can be exploited by an attacker with valid credentials to gain elevated privileges, emphasizing the need for prompt patching and mitigation."

Operational Audit Arsenal

Target Type System Service
Target Asset svchost.exe
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: svchost.exe (System Service)
$Targets = 'svchost.exe'
$SearchPaths = @("$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, as the patch may require a system restart and could potentially cause temporary service disruptions.

Internal Work Notes

CVE-2026-20874: Windows Management Services vulnerability allowing local privilege escalation. Apply latest security updates from Microsoft to mitigate.

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.