CVE-2011-0346: Microsoft Internet Explorer

High severity, CVSS 8.1. EPSS: 31% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the ReleaseInterface function in MSHTML.DLL in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the DOM implementation and the BreakAASpecial and BreakCircularMemoryReferences functions, as demonstrated by cross_fuzz, aka "MSHTML Memory Corruption Vulnerability."

Affected products

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

Published 2011-01-07. Last modified 2026-06-16.