CVE-1999-1127

7.5 HIGH
Published: December 31, 1999 Modified: April 16, 2026
View on NVD

Description

Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the "Named Pipes Over RPC" vulnerability.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://support.microsoft.com/support/kb/articles/Q195/7/33.asp
Source: cve@mitre.org
Broken Link Patch Vendor Advisory
http://www.iss.net/security_center/static/523.php
Source: cve@mitre.org
Broken Link
http://support.microsoft.com/support/kb/articles/Q195/7/33.asp
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Patch Vendor Advisory
http://www.iss.net/security_center/static/523.php
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
30.0%
97th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

microsoft