CVE-2011-2005 kev in the critical feed json
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…
published 2011-10-12 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1999
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-28
- epss
- 31.8%
- EPSS 31.8% chance of exploitation in 30 days, percentile 98%
- public exploits
- 3
- Metasploit, Exploit-DB
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."
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- Published
- First public exploit (Metasploit exploit/windows/local/ms11_080_afdjoinleaf)
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-04-18 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Ancillary Function Driver (afd.sys)
- CISA name
- Microsoft Ancillary Function Driver (afd.sys) Improper Input Validation Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
31.76% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/windows/local/ms11_080_afdjoinleaf MS11-080 AfdJoinLeaf Privilege Escalation metasploit exploit, average rank, 2011-11-30
- EDB-21844 Microsoft Windows - 'AfdJoinLeaf' Local Privilege Escalation (MS11-080) (Metasploit) local, 2012-10-10
- EDB-18176 Microsoft Windows XP/2003 - 'afd.sys' Local Privilege Escalation (MS11-080) local, 2011-11-30
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2011/ms11-080
vendor-advisory, patch
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13114
vdb-entry, signature, broken-link
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-2005
government-resource, us-government-resource
Sources
- CVE List CVE-2011-2005
- NVD CVE-2011-2005
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.