CVE-2012-4969

8.1 HIGH CISA KEV - Actively Exploited

Published: September 18, 2012 Modified: October 22, 2025

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 Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/

Source: cve@mitre.org

Broken Link

http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb

Source: cve@mitre.org

Broken Link

http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/

Source: cve@mitre.org

Third Party Advisory

http://technet.microsoft.com/security/advisory/2757760

Source: cve@mitre.org

Patch Vendor Advisory

http://www.kb.cert.org/vuls/id/480095

Source: cve@mitre.org

Third Party Advisory US Government Resource

http://www.securitytracker.com/id?1027538

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild

Source: cve@mitre.org

Third Party Advisory

http://www.us-cert.gov/cas/techalerts/TA12-255A.html

Source: cve@mitre.org

Third Party Advisory US Government Resource

http://www.us-cert.gov/cas/techalerts/TA12-262A.html

Source: cve@mitre.org

Third Party Advisory US Government Resource

http://www.us-cert.gov/cas/techalerts/TA12-265A.html

Source: cve@mitre.org

Third Party Advisory US Government Resource

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729

Source: cve@mitre.org

Third Party Advisory

http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/