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CVE-2026-20853

Windows - WalletService

Microsoft CVSS 7.4 Updated March 15, 2026

Executive Risk Summary

"A race condition vulnerability in Windows WalletService allows an unauthorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system compromise. This vulnerability can be exploited by an attacker to gain elevated privileges on a vulnerable system, emphasizing the need for immediate patching."

Operational Audit Arsenal

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

CVE-2026-20853: Windows WalletService vulnerability allowing local privilege escalation; patching required to prevent potential system compromise.

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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.