CVE-2013-1309: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 39.1% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-2551.

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only; version 9 only; version 10 only

Published 2013-05-15. Last modified 2026-06-16.