CVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2024-07-23. EPSS: 78.8% chance of exploitation in the next 30 days.

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.

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only

Published 2012-12-30. Last modified 2026-06-16.