CVE-1999-1317: Windows NT 4.0 SP4 and earlier allows local users to gain privileges by modifying the symbolic link table i...

Security readout for executives and security teams

This is an old local privilege escalation issue in Windows NT 4.0 SP4 and earlier. A user already able to log in locally could manipulate case-sensitive symbolic-link handling to point system object names at a different device, potentially gaining higher privileges. Exposure appears limited to Windows NT 4.0 SP4 and earlier systems where untrusted or low-privileged users have local access. The bundle does not identify affected CPEs, supported product branches, or network-reachable attack surface. Treat this as a legacy-system risk rather than a broad internet emergency. Priority rises sharply if business-critical Windows NT systems still exist and allow non-administrator local access. Evidence is incomplete on patch status and exploitation. Mitigation focus: Check Microsoft Q222159 or successor vendor guidance for remediation details.; Identify and retire, isolate, or tightly control affected Windows NT systems.; Restrict local interactive access to trusted administrators only..

Prepared

Jul 1, 2026, 08:03 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.