CVE-2010-3331: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 25% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory in certain circumstances involving use of Microsoft Word to read Word documents, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability."

Affected products

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

Published 2010-10-13. Last modified 2026-06-16.