CVE-2012-4969

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 v3.1 NVD

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

CVSS v2.0 NVD

9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

80.25% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2022-06-08

Published

2012-09-18

Updated

2025-10-22

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_execcommand_u…

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/21840

Security advisories

• http://technet.microsoft.com/security/advisory/2757760
• http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet
• 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%3A15…

References

• CVE Record
• NVD entry