afd.sys in the Ancillary Function Driver in Microsoft Windows XP SP2 and SP3 and Server…
Priority CRITICAL 93Exploited in the wildPublished · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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."
Why it matters now
Exploitation Active In CISA KEV since 2022-03-28CISA due date 2022-04-18
EPSS 0.31761 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-28 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2011-2005
- 2026-10-03 Alias added: GHSA-8q8w-v8pg-496j
References
Patch 1
More Microsoft Windows Server 2003 vulnerabilities
- TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-02077 win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2… KEVCVSS 3.1HIGH 8.8
- TI-2014-05208 OleAut32.dll in OLE in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows… KEVCVSS 3.1HIGH 8.8
- TI-2014-05200 The Kerberos Key Distribution Center (KDC) in Microsoft Windows Server 2003 SP2, Windows… KEVCVSS 3.1HIGH 8.8
- TI-2014-03387 win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1HIGH 8.8
- TI-2013-03421 The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows… KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2011-2005 · CVE Program
- CVE-2011-2005 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-8q8w-v8pg-496j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences