Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted CSpliceTreeEngine::InsertSplice object in an HTML document, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3143 and CVE-2013-3161.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-055