CVE-2011-2005

HighActively exploited (CISA KEV)

Description

afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not properly validate user-mode input passed to kernel mode, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

SeverityHigh

CVSS7.8

Exploit probability—

Product

Microsoft Ancillary Function Driver (afd.sys)

PublishedOct 12, 2011

First seenOct 12, 2011

Added to KEVMar 28, 2022

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/2011/ms11-080

Affected products

Product	Affected versions	Fixed in
microsoft windows_server_2003	No range specified	—
microsoft windows_xp	No range specified	—

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