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CVE-2013-2551

Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score72.1000%

EPSS Percentile89.19th

PublishedMar 11, 2013

Last ModifiedApr 21, 2026

Vulnerability 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.

Affected Platforms (CPE)

📦

Microsoft

Internet Explorer

= 6

📦

Microsoft

Internet Explorer

= 7

📦

Microsoft

Internet Explorer

= 8

📦

Microsoft

Internet Explorer

= 9

📦

Microsoft

Internet Explorer

= 10

References & Advisories

🔗 http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157

🔗 http://twitter.com/VUPEN/statuses/309479075385327617

🔗 http://twitter.com/thezdi/statuses/309452625173176320

🔗 http://www.us-cert.gov/ncas/alerts/TA13-134A

🔗 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-037

🔗 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16317

🔗 http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157

🔗 http://twitter.com/VUPEN/statuses/309479075385327617

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