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CVE-1999-1593

27
FAUCET Score

CVE-1999-1593 describes a denial-of-service and credential theft vulnerability in Microsoft Windows Internet Naming Service (WINS) affecting Windows 95, 98, and 2000. Remote attackers can exploit this by sending a malicious 1Ch registration, redirecting the domain controller to an attacker-controlled server. With a CVSS score of 7.6, this vulnerability is considered high severity due to its network-based attack vector, high impact on confidentiality, integrity, and availability, despite requiring high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_95:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_98:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

AV:N/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
18.13%
Probability of exploitation in next 30 days
EPSS Percentile
96.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1813 is in the 84th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/ntbugtraq/1998-1999/msg00371.html
Broken LinkThird Party Advisory
seclists.org / bugtraq/2001/Jan/0264.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0269.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0271.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0274.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0276.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0289.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2001/Jan/0298.html
Mailing ListThird Party Advisory
www2.sans.org / reading_room/whitepapers/win2k/185.php
Broken LinkExploit
securityfocus.com / bid/2221
Third Party AdvisoryVDB Entry