Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing a deleted object, aka "Option Element Remote Code Execution Vulnerability."

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-1996
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12896