Is CVE-1999-1593 in the CISA KEV catalog?

No. CVE-1999-1593 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-1999-1593?

CVE-1999-1593 has a CVSS v2 base score of 7.6 (HIGH).

What is the EPSS score for CVE-1999-1593?

CVE-1999-1593 has an EPSS score of 18.13% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-1999-1593

HIGHEPSS 97th pctl

7.6

CVSS v2

NVD

Description

Windows Internet Naming Service (WINS) allows remote attackers to cause a denial of service (connectivity loss) or steal credentials via a 1Ch registration that causes WINS to change the domain controller to point to a malicious server. NOTE: this problem may be limited when Windows 95/98 clients are used, or if the primary domain controller becomes unavailable.

CWE-59

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

18.13%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.