High severity8.1CISA KEVNVD Advisory· Published Sep 18, 2012· Updated Jun 16, 2026
CVE-2012-4969
CVE-2012-4969
Description
Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
- (no CPE)range: 6-9
Patches
Vulnerability mechanics
References
12- technet.microsoft.com/security/advisory/2757760nvdPatchVendor Advisory
- eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/nvdThird Party Advisory
- www.kb.cert.org/vuls/id/480095nvdThird Party AdvisoryUS Government Resource
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wildnvdThird Party Advisory
- www.us-cert.gov/cas/techalerts/TA12-255A.htmlnvdThird Party AdvisoryUS Government Resource
- www.us-cert.gov/cas/techalerts/TA12-262A.htmlnvdThird Party AdvisoryUS Government Resource
- www.us-cert.gov/cas/techalerts/TA12-265A.htmlnvdThird Party AdvisoryUS Government Resource
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729nvdThird Party Advisory
- blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/nvdBroken Link
- dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rbnvdBroken Link
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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