CVE-2019-1384 json
A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.To exploit this…
published 2019-11-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9941
- cvss
- 9.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.0%
- EPSS 7.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.To exploit this vulnerability, an attacker could send a specially crafted authentication request, aka 'Microsoft Windows Security Feature Bypass Vulnerability'.
Patch / fix
Exploit prediction
6.99% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Windows
- Microsoft Windows Server
- Microsoft Windows 10 Version 1903 for 32-bit Systems
- Microsoft Windows 10 Version 1903 for x64-based Systems
- Microsoft Windows 10 Version 1903 for ARM64-based Systems
- Microsoft Windows Server, version 1903 (Server Core installation)
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1384
patch, vendor-advisory
Sources
- CVE List CVE-2019-1384
- NVD CVE-2019-1384
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