CVE-2003-0806
CVE-2003-0806 is a high-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 33% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 2000
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2003-0806?
- 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.
- How severe is CVE-2003-0806?
- CVE-2003-0806 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2003-0806 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2003-0806?
- CVE-2003-0806 primarily affects Microsoft Windows 2000. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2003-0806?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2003-0806 published?
- CVE-2003-0806 was published on 2004-06-01 and last updated on 2026-06-16.
References
- http://www.ciac.org/ciac/bulletins/o-114.shtml
- http://www.kb.cert.org/vuls/id/471260
- http://www.securityfocus.com/bid/10126
- http://www.us-cert.gov/cas/techalerts/TA04-104A.html
- 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
Affected products (5)
- cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_2000:*:sp4:*:fr:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp1:tablet_pc:*:*:*:*:*
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