Executive Risk Summary
"A use-after-free vulnerability in the CAttrArray::PrivateFind function in mshtml.dll allows remote attackers to execute arbitrary code by setting an unspecified property of a stylesheet object. This vulnerability affects Microsoft Internet Explorer 6 through 8."
Anticipated Attack Path
- 1. Attacker crafts a malicious stylesheet object
- 2. Victim's Internet Explorer processes the malicious object
- 3. Arbitrary code execution occurs due to use-after-free vulnerability
Am I Vulnerable?
- Verify Internet Explorer version
- Check for presence of ms10-071 patch
- Monitor system for signs of arbitrary code execution
Operational Audit Arsenal
Target Type DLL
Target Asset mshtml.dll
Standard Path C:\Windows\System32\mshtml.dll
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: mshtml.dll (DLL)
$Targets = 'mshtml.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
Moderate, may require restart of Internet Explorer or system
Internal Work Notes
Apply MS10-071 patch to vulnerable systems to prevent arbitrary code execution via use-after-free vulnerability in mshtml.dll
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://support.avaya.com/css/P8/documents/100113324
Official Advisoryhttp://www.securityfocus.com/bid/43705
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA10-285A.html
Official Advisoryhttp://www.zerodayinitiative.com/advisories/ZDI-10-197/
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-071
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7059
Official Advisoryhttp://support.avaya.com/css/P8/documents/100113324
Official Advisoryhttp://www.securityfocus.com/bid/43705
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA10-285A.html
Official Advisoryhttp://www.zerodayinitiative.com/advisories/ZDI-10-197/
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-071
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7059
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.