CVE-1999-0366
In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank...
CVE-1999-0366 is a high vulnerability (CVSS 7.5) in Microsoft Windows Nt, published February 8, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.69%, the 89th percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-1999-0366- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-1999-0366- Updated
- 2026-11-02
EUVDEUVD-1999-0366 No score
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.
- Record
EUVD-1999-0366- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5fcq-r7m3-pxf5 No score
In some cases, Service Pack 4 for Windows NT 4.0 can allow access to network shares using a blank...
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.
- Record
GHSA-5fcq-r7m3-pxf5- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |