VULNERABILITY INTELLIGENCE

CVE-2011-2005

CVSS score7.8 HIGH
EPSS probability31.76%
CISA KEVKnown exploited vulnerability
Published2011-10-12
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability

Vendor / product: Microsoft / Ancillary Function Driver (afd.sys)

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."

Primary references