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CVE-2025-59208

Windows - MapUrlToZone

Microsoft CVSS 7.1 Updated March 13, 2026

Executive Risk Summary

"An out-of-bounds read vulnerability in Windows MapUrlToZone allows an unauthorized attacker to disclose information over a network, potentially exposing sensitive data. This vulnerability could be exploited by an attacker to gain unauthorized access to sensitive information, highlighting the need for immediate patching."

Operational Audit Arsenal

Target Type DLL
Target Asset urlmon.dll
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: urlmon.dll (DLL)
$Targets = 'urlmon.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

Web browsing services may be affected

Internal Work Notes

High-severity vulnerability in Windows MapUrlToZone component, requiring immediate patching to prevent information disclosure.

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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.