CVE-2013-3121: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 19.4% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3112, CVE-2013-3113, CVE-2013-3139, and CVE-2013-3142.

Affected products

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

Published 2013-06-12. Last modified 2026-06-16.