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Vulnerability record · CVE-2003-0661 · published 20 October 2003

CVE-2003-0661: Microsoft windows 2000 vulnerability

Microsoft · Windows 2000

The NetBT Name Service (NBNS) for NetBIOS in Windows NT 4.0, 2000, XP, and Server 2003 may include random memory in a response to a NBNS query, which could allow remote attackers to obtain sensitive information.

5.0 CVSS 2.0 Medium EPSS 25% · top 2.1%
5.0CVSS 2.0 base score
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

The NetBT Name Service (NBNS) for NetBIOS in Windows NT 4.0, 2000, XP, and Server 2003 may include random memory in a response to a NBNS query, which could allow remote attackers to obtain sensitive information.

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

Affected products

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

References

LinkTags
http://www.kb.cert.org/vuls/id/989932 US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483
http://www.kb.cert.org/vuls/id/989932 US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483

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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-2003-0661), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.