CVE-2011-2005

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 16, 2026

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."

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005US Government Resource

Timeline

Published: Oct 12, 2011
Last modified: Jun 16, 2026
Added to CISA KEV: Mar 28, 2022
NVD status: Analyzed

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