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CVE-2011-0346

Microsoft Internet Explorer - MSHTML

Microsoft CVSS 8.1 Updated April 30, 2026

Executive Risk Summary

"A use-after-free vulnerability in the ReleaseInterface function in MSHTML.DLL allows remote attackers to execute arbitrary code or cause a denial of service via vectors related to the DOM implementation. This vulnerability affects Microsoft Internet Explorer 6, 7, and 8."

Anticipated Attack Path

  1. 1. Initial Exploitation: An attacker sends a maliciously crafted web page to a vulnerable Microsoft Internet Explorer browser.
  2. 2. Exploitation: The vulnerability is triggered, allowing the attacker to execute arbitrary code on the system.
  3. 3. Post-Exploitation: The attacker can potentially gain control of the system, steal sensitive data, or install malware.

Am I Vulnerable?

  • Verify that Microsoft Internet Explorer is updated to the latest version.
  • Ensure that the MSHTML.DLL file is updated to a version that is not vulnerable to this exploit.
  • Monitor system logs for suspicious activity related to Microsoft Internet Explorer.

Operational Audit Arsenal

Target Type DLL
Target Asset MSHTML.DLL
Standard Path C:\Windows\System32
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

Potential disruption to web browsing and other applications that rely on Microsoft Internet Explorer.

Internal Work Notes

Apply MS11-018 patch to vulnerable Microsoft Internet Explorer installations to prevent potential code execution exploits.

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Official Advisoryhttp://archives.neohapsis.com/archives/fulldisclosure/2010-12/0698.html
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2011/01/07/assessing-the-risk-of-public-issues-currently-being-tracked-by-the-msrc.aspx
Official Advisoryhttp://lcamtuf.blogspot.com/2011/01/announcing-crossfuzz-potential-0-day-in.html
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/fuzzer_timeline.txt
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/known_vuln.txt
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/msie_crash.txt
Official Advisoryhttp://www.kb.cert.org/vuls/id/427980
Official Advisoryhttp://www.securityfocus.com/archive/1/515506/100/0/threaded
Official Advisoryhttp://www.securityfocus.com/bid/45639
Official Advisoryhttp://www.securitytracker.com/id?1024940
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA11-102A.html
Official Advisoryhttp://www.vupen.com/english/advisories/2011/0026
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018
Official Advisoryhttps://exchange.xforce.ibmcloud.com/vulnerabilities/64482
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11882
Official Advisoryhttp://archives.neohapsis.com/archives/fulldisclosure/2010-12/0698.html
Official Advisoryhttp://blogs.technet.com/b/srd/archive/2011/01/07/assessing-the-risk-of-public-issues-currently-being-tracked-by-the-msrc.aspx
Official Advisoryhttp://lcamtuf.blogspot.com/2011/01/announcing-crossfuzz-potential-0-day-in.html
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/fuzzer_timeline.txt
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/known_vuln.txt
Official Advisoryhttp://lcamtuf.coredump.cx/cross_fuzz/msie_crash.txt
Official Advisoryhttp://www.kb.cert.org/vuls/id/427980
Official Advisoryhttp://www.securityfocus.com/archive/1/515506/100/0/threaded
Official Advisoryhttp://www.securityfocus.com/bid/45639
Official Advisoryhttp://www.securitytracker.com/id?1024940
Official Advisoryhttp://www.us-cert.gov/cas/techalerts/TA11-102A.html
Official Advisoryhttp://www.vupen.com/english/advisories/2011/0026
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-018
Official Advisoryhttps://exchange.xforce.ibmcloud.com/vulnerabilities/64482
Official Advisoryhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11882

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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.