CVE-2011-2005

7.8 HIGH CISA KEV - Actively Exploited
Published: October 12, 2011 Modified: October 22, 2025
View on NVD

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."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
Source: secure@microsoft.com
Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
Source: secure@microsoft.com
Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
67.1%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-04-18

Affected Vendors

microsoft