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CVE-2008-0322

Windows - I2O Utility Filter driver

Microsoft CVSS 7.8 Updated April 30, 2026

Executive Risk Summary

"The I2O Utility Filter driver in Windows XP has a vulnerability that allows local users to gain privileges by exploiting the Everyone/Write permissions set for the \\.\I2OExc device interface. This can be leveraged to overwrite arbitrary memory and execute code via an IOCTL call with a crafted DeviceObject pointer."

Anticipated Attack Path

  1. 1. Exploitation of the vulnerable I2O Utility Filter driver
  2. 2. Gaining elevated privileges
  3. 3. Executing arbitrary code

Am I Vulnerable?

  • Verify the version of the I2O Utility Filter driver
  • Check for the presence of the \\.\I2OExc device interface
  • Monitor for suspicious IOCTL calls

Operational Audit Arsenal

Target Type driver
Target Asset i2omgmt.sys
Standard Path C:\Windows\system32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: i2omgmt.sys (driver)
$Targets = 'i2omgmt.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

Moderate

Internal Work Notes

Vulnerability in I2O Utility Filter driver allows local privilege escalation and code execution, patching required to prevent exploitation.

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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.