CVE-2012-4787

Critical

Description

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."

SeverityCritical

CVSS9.0

Exploit probability—

Product

Microsoft Internet Explorer

PublishedDec 12, 2012

First seenDec 12, 2012

Weakness typeCWE-416Use after free

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-077

Affected products

Product	Affected versions	Fixed in
microsoft internet_explorer	9, 10	—

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