CVE-2011-5046

Critical

Description

The Graphics Device Interface (GDI) in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted data, as demonstrated by a large height attribute of an IFRAME element rendered by Safari, aka "GDI Access Violation Vulnerability."

SeverityCritical

CVSS9.3

Exploit probability—

Product

Microsoft Windows

PublishedDec 30, 2011

First seenDec 30, 2011

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-008

Affected products

Product	Affected versions	Fixed in
microsoft windows_7	No range specified	—
microsoft windows_server_2003	No range specified	—
microsoft windows_server_2008	No range specified, r2	—
microsoft windows_vista	No range specified	—
microsoft windows_xp	No range specified	—

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