CVE-2013-2551

HighActively exploited (CISA KEV)Known to be used in ransomware campaigns

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Microsoft Internet Explorer

PublishedMar 11, 2013

First seenMar 11, 2013

Added to KEVMar 28, 2022

Weakness typeCWE-416Use after free

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Apr 18, 2022

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
microsoft internet_explorer	6, 7, 8, 9, 10	—

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