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Vulnerability record · CVE-1999-1132 · published 31 December 1999

CVE-1999-1132: Microsoft windows nt vulnerability

Microsoft · Windows Nt

Windows NT 4.0 allows remote attackers to cause a denial of service (crash) via extra source routing data such as (1) a Routing Information Field (RIF) field with a hop count greater than 7, or (2) a list containing duplicate Token Ring IDs.

5.0 CVSS 2.0 Medium EPSS 18% · top 2.9%
5.0CVSS 2.0 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Windows NT 4.0 allows remote attackers to cause a denial of service (crash) via extra source routing data such as (1) a Routing Information Field (RIF) field with a hop count greater than 7, or (2) a list containing duplicate Token Ring IDs.

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

Affected products

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

References

LinkTags
http://marc.info/?l=bugtraq&m=90763508011966&w=2
http://marc.info/?l=ntbugtraq&m=90760603030452&w=2
http://support.microsoft.com/support/kb/articles/Q179/1/57.asp PatchVendor Advisory
http://www.iss.net/security_center/static/1399.php
http://marc.info/?l=bugtraq&m=90763508011966&w=2
http://marc.info/?l=ntbugtraq&m=90760603030452&w=2
http://support.microsoft.com/support/kb/articles/Q179/1/57.asp PatchVendor Advisory
http://www.iss.net/security_center/static/1399.php

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-1132), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.