CVE-2013-2551

microsoft internet explorer

Published 11 Mar 2013 · updated 16 Jun 2026 · Analyzed

8.8 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 28 Mar 2022, with a remediation deadline of 18 Apr 2022 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

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, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-1309.

References

h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157 · Broken Link, Third Party Advisory
twitter.com/VUPEN/statuses/309479075385327617 · Broken Link
twitter.com/thezdi/statuses/309452625173176320 · Not Applicable
www.us-cert.gov/ncas/alerts/TA13-134A · Third Party Advisory, US Government Resource
docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037 · Patch, Vendor Advisory
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16317 · Broken Link
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2551 · US Government Resource