CVE-2012-4969
Confirmed PUBLISHEDUse-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Sep 18, 2012
- Exploitation Reported
- Jun 08, 2022
- CVSS
- 8.1 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- TA12-265A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA12-265A.html
- VU#480095 kb.cert.org · Third-Party Advisory http://www.kb.cert.org/vuls/id/480095
- TA12-262A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA12-262A.html
- TA12-255A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- oval:org.mitre.oval:def:15729 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
Show 6 more references
- 1027538 securitytracker.com · VDB Entry http://www.securitytracker.com/id?1027538
- securityweek.com/new-internet-explorer-zero-day-being-exploit... securityweek.com · CVE Record http://www.securityweek.com/new-internet-explorer-zero-day-being-expl...
- technet.microsoft.com/security/advisory/2757760 technet.microsoft.com · CVE Record http://technet.microsoft.com/security/advisory/2757760
- blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-... blog.vulnhunt.com · CVE Record http://blog.vulnhunt.com/index.php/2012/09/17/ie-execcommand-fuction-...
- dev.metasploit.com/redmine/projects/framework/repository/entry/... dev.metasploit.com · CVE Record http://dev.metasploit.com/redmine/projects/framework/repository/entry...
- eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-ove... eromang.zataz.com · CVE Record http://eromang.zataz.com/2012/09/16/zero-day-season-is-really-not-ove...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-06-08 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_execcommand_uaf.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2022-06-08 00:00:00 UTC · CISA
Proof of concept available
Recorded 2025-04-28 15:02:39 UTC
Weaknesses (CWE)
-
Use After Free
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_execcommand_uaf.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC about 4 years ago00:00 UTC · about 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
10:00 UTC almost 14 years ago10:00 UTC · almost 14 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 14 years ago00:00 UTC · almost 14 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2012-4969
{
"cve_id": "CVE-2012-4969",
"title": "Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in...",
"affected_vendor": "Microsoft",
"affected_product": "Internet Explorer",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.1,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}