CVE-2012-0170: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 22.4% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "OnReadyStateChange Remote Code Execution Vulnerability."

Affected products

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

Published 2012-04-10. Last modified 2026-06-16.