CVE-2012-4969

high

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.

References

Advisories
More

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

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

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

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

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

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

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

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

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969

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

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

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

Details

Source: Mitre, NVD

Published: 2012-09-18

Updated: 2026-06-16

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

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