CVE-2012-4792
HIGHCISA KEVEPSS 100th pctlDescription
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 to fix
No fix available - end of life
This product no longer receives security updates. CISA advises disconnecting affected systems if still in use.
CISA required action: The impacted product is end-of-life and should be disconnected if still in use.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
Microsoft Internet Explorer Use-After-Free Vulnerability
Microsoft Internet Explorer contains a use-after-free vulnerability that allows a remote attacker 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.
The impacted product is end-of-life and should be disconnected if still in use.
Remediation due: 2024-08-13
References
Related Vulnerabilities
Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-0708 | Critical | 9.8 | 100% | KEV + Ransom | - |
| CVE-2021-31166 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2015-5119 | Critical | 9.8 | 99% | KEV | - |
| CVE-2010-3962 | High | 8.1 | 96% | KEV | - |
| CVE-2015-0313 | Critical | 9.8 | 96% | KEV | Fix |
| CVE-2021-34833 | High | 7.8 | 96% | - | - |
Common questions
How do I fix CVE-2012-4792?
CVE-2012-4792 affects an end-of-life product with no vendor fix. CISA advises disconnecting affected systems.
Is CVE-2012-4792 being actively exploited?
Yes. CVE-2012-4792 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2024-08-13. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2012-4792?
CVE-2012-4792 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-22.