CVE-2003-0661

NONECVSS 0.0Elevated

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 97.0%
KEV: Not listed

Published

October 20, 2003

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.kb.cert.org/vuls/id/989932
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/989932
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-034
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3483

Data Freshness Timeline

(refreshed 10× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-20 22:36 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2003-0661?

CVE-2003-0661 is a none vulnerability published on October 20, 2003. 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.

When was CVE-2003-0661 disclosed?

CVE-2003-0661 was first published in the National Vulnerability Database on October 20, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-0661 actively exploited?

CVE-2003-0661 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0661?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0661, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2003-0661

📅 Published

🔄 Last Modified

🔗 References (6)