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Vulnerability record · CVE-2011-0346 · published 7 January 2011

CVE-2011-0346: Microsoft internet explorer use after free vulnerability

Microsoft · Internet Explorer

Use-after-free vulnerability in the ReleaseInterface function in MSHTML.DLL in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the DOM implementation and the BreakAASpecial and BreakCircularMemoryReferences functions, as demonstrated by cross_fuzz, aka "MSHTML Memory Corruption Vulnerability."

8.1 CVSS 3.1 High EPSS 31% · top 1.8% CWE-399 · CWE-399CWE-416 · Use after free
8.1CVSS 3.1 base score, v2 9.3
31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
30References
16 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the ReleaseInterface function in MSHTML.DLL in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the DOM implementation and the BreakAASpecial and BreakCircularMemoryReferences functions, as demonstrated by cross_fuzz, aka "MSHTML Memory Corruption Vulnerability."

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-0346), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.