Unrated severityNVD Advisory· Published Dec 31, 1999· Updated Jun 16, 2026
CVE-1999-1222
CVE-1999-1222
Description
Netbt.sys in Windows NT 4.0 allows remote malicious DNS servers to cause a denial of service (crash) by returning 0.0.0.0 as the IP address for a DNS host name lookup.
Affected products
3cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
- Range: = Windows NT 4.0
Patches
Vulnerability mechanics
References
2- support.microsoft.com/support/kb/articles/Q188/5/71.ASPnvdPatchVendor Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/3893nvd
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