AEGLIX vulnerability intelligence
CVE-2011-2005
HIGH · CVSS 7.8 · Analyzed
Published: 2011-10-12 · Updated: 2026-06-16 · Source: NVD
Vulnerability overview
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."
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- NVD-CWE-noinfo
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Ancillary Function Driver (afd.sys)
- Added to catalog
- 2022-03-28
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-04-18
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
Patch · Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080
Patch · Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005
US Government Resource