CVE DATABASE / CVE-1999-1127
CVE-1999-1127
CVSS 7.5 · HIGH
Summary
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.
CVSS 3.1 breakdown
| Base score | 7.5 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | NONE |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft windows nt
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References
- http://support.microsoft.com/support/kb/articles/Q195/7/33.asp
- http://www.iss.net/security_center/static/523.php
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017
Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.