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Vulnerability record · CVE-1999-0969 · published 29 September 1998

CVE-1999-0969: Microsoft windows nt vulnerability

Microsoft · Windows Nt

The Windows NT RPC service allows remote attackers to conduct a denial of service using spoofed malformed RPC packets which generate an error message that is sent to the spoofed host, potentially setting up a loop, aka Snork.

5.0 CVSS 2.0 Medium EPSS 13% · top 3.7%
5.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

The Windows NT RPC service allows remote attackers to conduct a denial of service using spoofed malformed RPC packets which generate an error message that is sent to the spoofed host, potentially setting up a loop, aka Snork.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ193233
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-014
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ193233
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-014

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-0969), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.