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CVE-2009-0554

Microsoft Internet Explorer - Browser Engine

Microsoft CVSS 8.8 Updated April 30, 2026

Executive Risk Summary

"A remote code execution vulnerability exists in Microsoft Internet Explorer due to the presence of an object in memory that was not properly initialized or deleted. This vulnerability can be exploited by an attacker to execute arbitrary code on a vulnerable system."

Anticipated Attack Path

  1. 1. Initial Exploitation: Attacker crafts a malicious web page to exploit the vulnerability
  2. 2. Privilege Escalation: Arbitrary code execution allows attacker to gain elevated privileges
  3. 3. Lateral Movement: Attacker uses elevated privileges to move laterally within the network

Am I Vulnerable?

  • Verify Internet Explorer version and patch level
  • Check for presence of malicious web pages or code
  • Monitor system logs for signs of exploitation

Operational Audit Arsenal

Target Type Process
Target Asset iexplore.exe
Standard Path C:\Program Files\Internet Explorer
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: iexplore.exe (Process)
$Targets = 'iexplore.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

Potential disruption to web browsing and related services

Internal Work Notes

Apply MS09-014 patch to vulnerable Internet Explorer installations to prevent remote code execution

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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.