CVE-2012-4969
HIGHCISA KEVEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Microsoft Internet Explorer Use-After-Free Vulnerability
Microsoft Internet Explorer contains a use-after-free vulnerability that allows remote attackers to execute code via a crafted web site.
Apply updates per vendor instructions.
Remediation due: 2022-06-22
References
- http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/
- http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb
- http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/
- http://technet.microsoft.com/security/advisory/2757760
- http://www.kb.cert.org/vuls/id/480095
- http://www.securitytracker.com/id?1027538
- http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- http://www.us-cert.gov/cas/techalerts/TA12-262A.html
- http://www.us-cert.gov/cas/techalerts/TA12-265A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.