What’s Vulnerable › Vulnerabilities

CVE-1999-1127

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-03-09 · updated 2026-06-16
• Weakness: CWE-772

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.

Affected products

• Microsoft Windows Nt: 4.0

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
• 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

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