Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2012-4969

CVE-2012-4969HIGH

n/a n/a — Microsoft Internet Explorer

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  H  H  H    8.1   .8025   99.6   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Sep 18  Reserved by mitre
  Sep 18  Published (CNA: mitre)
  Jun 8   Added to CISA KEV, remediation due 2022-06-22

CWE-416 · CNA: mitre · CVSS v3.1 · 12 references · KEV due June 22, 2022

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 18, 2012	Reserved	Reserved by mitre
September 18, 2012	Published	Published (CNA: mitre)
June 8, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-06-22

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-416

References (12)

http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-use-after-free-vulnerability-0day_en/ [x_refsource_MISC]
http://dev.metasploit.com/redmine/projects/framework/repository/entry/modules/exploits/windows/browser/ie_execcommand_uaf.rb [x_refsource_MISC]
http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-over-yet/ [x_refsource_MISC]
http://technet.microsoft.com/security/advisory/2757760 [x_refsource_CONFIRM]
http://www.kb.cert.org/vuls/id/480095 [third-party-advisory, x_refsource_CERT-VN]
http://www.securitytracker.com/id?1027538 [vdb-entry, x_refsource_SECTRACK]
http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild [x_refsource_MISC]
http://www.us-cert.gov/cas/techalerts/TA12-255A.html [third-party-advisory, x_refsource_CERT]
http://www.us-cert.gov/cas/techalerts/TA12-262A.html [third-party-advisory, x_refsource_CERT]
http://www.us-cert.gov/cas/techalerts/TA12-265A.html [third-party-advisory, x_refsource_CERT]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15729 [vdb-entry, signature, x_refsource_OVAL]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4969 [government-resource]

Authoritative record: CVE-2012-4969 at cve.org

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2012-4969 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.