CVE-1999-0656

Medium CVSS 5

Published 1999-01-01 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-0656, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

The ugidd RPC interface, by design, allows remote attackers to enumerate valid usernames by specifying arbitrary UIDs that ugidd maps to local user and group names.

Sources

NVD record for CVE-1999-0656

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