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CVE-2009-2529

Microsoft Internet Explorer - HTML Component Handling

Microsoft CVSS 8.1 Updated April 30, 2026

Executive Risk Summary

"A vulnerability in Microsoft Internet Explorer's HTML component handling allows remote attackers to execute arbitrary code via a crafted HTML document. This vulnerability affects Internet Explorer versions 5.01 SP4, 6, 6 SP1, 7, and 8."

Anticipated Attack Path

  1. 1. Initial Exploitation: Attacker crafts a malicious HTML document
  2. 2. Privilege Escalation: Arbitrary code execution on the vulnerable system
  3. 3. Lateral Movement: Potential for further exploitation of the compromised system

Am I Vulnerable?

  • Verify Internet Explorer version and patch level
  • Apply MS09-054 patch to vulnerable systems
  • Implement additional security measures such as web application firewalls and intrusion detection systems

Operational Audit Arsenal

Target Type Process
Target Asset iexplore.exe
Standard Path C:\Program Files\Internet Explorer\iexplore.exe
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 MS09-054 patch to vulnerable Internet Explorer systems to prevent arbitrary 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.