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."
Published Oct 12, 2011 ·Due Apr 18, 2022
7.8
HIGHCVSS 3.1
EPSS 31.53%
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."
Affected products
No data.
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
Date Added
Mar 28, 2022
Patch Due
Apr 18, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 10, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 31.53% (0.31534) | 98.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.53% (0.31534) | 98.05th | v5 (v2026.06.15) |
| Dec 28, 2025 | 67.09% (0.67089) | 98.49th | v4 (v2025.03.14) |
| Dec 27, 2025 | 68.53% (0.68527) | 98.56th | v4 (v2025.03.14) |
| Nov 3, 2025 | 67.09% (0.67089) | 98.49th | v4 (v2025.03.14) |
| Oct 28, 2025 | 68.45% (0.68450) | 98.53th | v4 (v2025.03.14) |
| Oct 27, 2025 | 69.84% (0.69836) | 98.61th | v4 (v2025.03.14) |
| Oct 22, 2025 | 68.45% (0.68450) | 98.53th | v4 (v2025.03.14) |
| Oct 18, 2025 | 59.95% (0.59953) | 98.15th | v4 (v2025.03.14) |
| Oct 1, 2025 | 57.55% (0.57550) | 98.11th | v4 (v2025.03.14) |
| Mar 30, 2025 | 58.67% (0.58673) | 98.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 57.53% (0.57527) | 97.34th | v4 (v2025.03.14) |
| Mar 25, 2025 | 59.74% (0.59735) | 98.09th | v4 (v2025.03.14) |
| Mar 17, 2025 | 60.81% (0.60808) | 98.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.98% (0.04978) | 93.14th | v3 (v2023.03.01) |
| Jul 10, 2024 | 4.98% (0.04978) | 92.90th | v3 (v2023.03.01) |
| Dec 24, 2023 | 0.08% (0.00079) | 33.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00057) | 21.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.56% (0.03561) | 84.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.56% (0.03561) | 83.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.56% (0.03561) | 66.50th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114 vdb-entrysignaturex_refsource_OVALBroken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-080 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114 | vdb-entrysignaturex_refsource_OVALBroken Link | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.