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 CCaret Use After Free Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-021
https://www.exploit-db.com/exploits/40935/
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16049
http://www.us-cert.gov/ncas/alerts/TA13-071A
http://packetstormsecurity.com/files/140186/Microsoft-Internet-Explorer-9-IEFRAME-CView-EnsureSize-Use-After-Free.html
http://blog.skylined.nl/20161216001.html
Source: Mitre, NVD
Published: 2013-03-13
Updated: 2026-06-16
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.38223