CVE-2007-3027: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 34.9% chance of exploitation in the next 30 days.

Race condition in Microsoft Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code by causing Internet Explorer to install multiple language packs in a way that triggers memory corruption, aka "Language Pack Installation Vulnerability."

Affected products

• Microsoft Internet Explorer: version 5.01 only; version 6 only; version 7.0 only

Published 2007-06-12. Last modified 2026-06-16.