Read the docs
TI-1999-00361 Aliases CVE-1999-0366GHSA-5fcq-r7m3-pxf5

In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using…

Priority LOW 39CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank password, through a problem with a null NT hash value.

Why it matters now

EPSS 0.03686 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_nt:4.0:sp4:*:*:*:*:*:*4.0 sp4VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_nt:4.0:sp4:*:*:*:*:*:* Versions 4.0 sp4 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-0366
  2. 2026-10-03 Alias added: GHSA-5fcq-r7m3-pxf5

References

Advisory 2

  • TI-2004-00181 The POSIX component of Microsoft Windows NT and Windows 2000 allows local users to… KEVCVSS 3.1HIGH 7.8
  • TI-2002-00354 smss.exe debugging subsystem in Windows NT and Windows 2000 does not properly… KEVCVSS 3.1HIGH 7.8
  • TI-2004-00977 The WINS service (wins.exe) on Microsoft Windows NT Server 4.0, Windows 2000 Server, and… CVSS 2.0HIGH 10.0
  • TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
  • TI-2000-01078 Buffer overflow in Microsoft Phone Book Service allows local users to execute arbitrary… CVSS 2.0HIGH 10.0
  • TI-1999-00824 Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a… CVSS 2.0HIGH 10.0
See all 251 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences