CVE-2012-4792
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Internet Explorer Use-After-Free Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- The impacted product is end-of-life and should be disconnected if still in use.
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.
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 79% (percentile: 100) as of 1 November 2026
- CWE
- CWE-416
Affected products
microsoft: internet explorer; microsoft: windows server 2003; microsoft: windows xp; microsoft: windows server 2008; microsoft: windows vista; microsoft: windows 7
References
- http://technet.microsoft.com/security/advisory/2794220 PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- http://technet.microsoft.com/security/advisory/2794220 PatchVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-0… PatchVendor Advisory
- http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-a… Broken Link
- http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-i… Broken Link
- http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-av… Broken Link
- http://eromang.zataz.com/2012/12/29/attack-and-ie-0day-informations-used-agains… Third Party Advisory
- http://labs.alienvault.com/labs/index.php/2012/just-another-water-hole-campaign… Broken Link
- http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBin… Third Party AdvisoryVDB Entry