Microsoft Internet Explorer Use-After-Free Vulnerability
n/a — n/a
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.
8.8
78.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published
- Dec 30, 2012
- Modified
- Oct 22, 2025
- Added to KEV
- Jul 23, 2024
- Federal patch due
- Aug 13, 2024
CISA required action
The impacted product is end-of-life and should be disconnected if still in use.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2012-4792, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2012-4792 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2012-4792?
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.
How severe is CVE-2012-4792?
CVE-2012-4792 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).
Is CVE-2012-4792 actively exploited in the wild?
Yes. CVE-2012-4792 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jul 23, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2012-4792?
78.8% - meaning FIRST.org's EPSS model estimates a 78.8% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
What type of vulnerability is CVE-2012-4792?
CVE-2012-4792 is classified under CWE-416 (CWE-416 Use After Free).
Cross-checked against
Impactr finds and proves whether CVE-2012-4792 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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