CVE-2012-4969: Microsoft Internet Explorer Use-After-Free Vulnerability
High · CVSS 8.1 (CVSS 3.1)KEV known exploitedEPSS 80.3%, 100th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: Microsoft Internet Explorer Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Microsoft: Internet Explorer
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerabil… (opens in new tab)
- dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/… (opens in new tab)
- eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/ (opens in new tab)
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729 (opens in new tab)
- technet.microsoft.com/security/advisory/2757760 (opens in new tab)
- www.kb.cert.org/vuls/id/480095 (opens in new tab)
- www.securitytracker.com/id (opens in new tab)
- www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild (opens in new tab)
- www.us-cert.gov/cas/techalerts/TA12-255A.html (opens in new tab)
- www.us-cert.gov/cas/techalerts/TA12-262A.html (opens in new tab)
- www.us-cert.gov/cas/techalerts/TA12-265A.html (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)