Summary
generated automatically from NVD dataThe WINS server in Microsoft Windows NT 4.0 versions before SP4 is vulnerable to a remote denial of service. An attacker can send invalid UDP frames to port 137 (NETBIOS Name Service), such as a flood of random packets, which causes the WINS process to terminate. The flaw is rated 5.0 (MEDIUM) under CVSS v2.0, with network attack vector, no authentication required, and impact limited to availability.
NVD description
The WINS server in Microsoft Windows NT 4.0 before SP4 allows remote attackers to cause a denial of service (process termination) via invalid UDP frames to port 137 (NETBIOS Name Service), as demonstrated via a flood of random packets.
EPSS · FIRST.org
21.3%probability of exploitation in the next 30 days
Higher than 97% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-29, recomputed daily by FIRST.org.
CVSS v2.0 Score
Information
- Published
- 1 août 1998
- Updated
- 16 juin 2026
- Status
- Modified
- Source
- cve@mitre.org
Affected products
Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.
Weaknesses (CWE)
Similar CVEs
Other vulnerabilities of type
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