CVE-2012-4792
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Internet Explorer Use-After-Free Vulnerability.
- Added
- 23 Jul 2024
- Fix due (US federal)
- 13 Aug 2024
- Used by ransomware
- Not known
The impacted product is end-of-life and should be disconnected if still in use.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By microsoft
- 4 months later
· 4 months later
Published
- 12 years later
· 12 years later
Added to CISA KEV
Known exploited in the wild
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 78.8% · top 0.4% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
References (14)
- TA13-008A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS13-008 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- VU#154201 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_cbutton_uaf.rb (opens in a new tab)x_refsource_MISCx_transferred
- http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign-using-an-internet-explorer-0day/ (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html (opens in a new tab)x_refsource_MISCx_transferred
- http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-against-council-on-foreign-relations/ (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:16361 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- TA13-015A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html (opens in a new tab)x_refsource_MISCx_transferred
- http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://technet.microsoft.com/security/advisory/2794220 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2012-4792 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-4792)Record last updated .