High severity7.5NVD Advisory· Published Dec 31, 1999· Updated Jun 16, 2026
CVE-1999-1127
CVE-1999-1127
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 Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:enterprise:*:*:*+ 4 more
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:enterprise:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:server:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:terminal_server:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:workstation:*:*:*
- (no CPE)range: =4.0
Patches
Vulnerability mechanics
References
3- support.microsoft.com/support/kb/articles/Q195/7/33.aspnvdBroken LinkPatchVendor Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017nvdPatchVendor Advisory
- www.iss.net/security_center/static/523.phpnvdBroken Link
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