CVE-2006-3440
HIGH · CVSS 10.0EPSS 57.3%EU EUVD
Buffer overflow in the Winsock API in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 allows remote attackers to execute arbitrary code via unknown vectors, aka "Winsock Hostname Vulnerability."
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- EPSS score
- 57.3% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-3436)
- Published
- August 9, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-3436 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 2000
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
References
- http://secunia.com/advisories/21394
- http://securitytracker.com/id?1016653
- http://www.kb.cert.org/vuls/id/908276(Patch, US Government Resource)
- http://www.securityfocus.com/bid/19319
- http://www.us-cert.gov/cas/techalerts/TA06-220A.html(Patch, US Government Resource)
- http://www.vupen.com/english/advisories/2006/3211
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-041
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A747
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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