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CVE-2025-26639

Windows - USB Print Driver

Microsoft CVSS 7.8 Updated March 12, 2026

Executive Risk Summary

"An integer overflow or wraparound vulnerability in the Windows USB Print Driver allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system resources. This vulnerability can be exploited by an attacker with local access to the system, and successful exploitation could result in a significant security breach."

Operational Audit Arsenal

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

Print services may be affected

Internal Work Notes

CVE-2025-26639: Local privilege escalation vulnerability in Windows USB Print Driver, requiring patching and potential reboot to mitigate

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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.