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Vulnerability record · CVE-2003-0806 · published 1 June 2004

CVE-2003-0806: Microsoft windows 2000 vulnerability

Microsoft · Windows 2000

Buffer overflow in the Windows logon process (winlogon) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, and XP SP1, when a member of a domain, allows remote attackers to execute arbitrary code.

7.5 CVSS 2.0 High EPSS 33% · top 1.7%
7.5CVSS 2.0 base score
33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the Windows logon process (winlogon) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, and XP SP1, when a member of a domain, allows remote attackers to execute arbitrary code.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.ciac.org/ciac/bulletins/o-114.shtml
http://www.kb.cert.org/vuls/id/471260 PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/10126
http://www.us-cert.gov/cas/techalerts/TA04-104A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
https://exchange.xforce.ibmcloud.com/vulnerabilities/15702
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A895
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A896
http://www.ciac.org/ciac/bulletins/o-114.shtml
http://www.kb.cert.org/vuls/id/471260 PatchThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/10126
http://www.us-cert.gov/cas/techalerts/TA04-104A.html Third Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
https://exchange.xforce.ibmcloud.com/vulnerabilities/15702
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A895
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A896

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2003-0806), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.