CVE-2012-4792

CVE-2012-4792 is a high-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-07-23). The underlying weakness is classified as CWE-416.

Key facts

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.

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 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2012-4792 being actively exploited?
Yes. CVE-2012-4792 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-07-23, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2012-4792?
CVE-2012-4792 primarily affects Microsoft Internet Explorer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4792?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2012-4792 have an EU (EUVD) identifier?
Yes. CVE-2012-4792 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2012-4717. It is also flagged as exploited in the EUVD (since 2024-07-23).
When was CVE-2012-4792 published?
CVE-2012-4792 was published on 2012-12-30 and last updated on 2026-06-16.

References

Affected products (3)

More vulnerabilities in Microsoft Internet Explorer

All CVEs affecting Microsoft Internet Explorer →

Other CWE-416 (Use After Free) vulnerabilities

Browse all CWE-416 (Use After Free) vulnerabilities →