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CVE-2019-1384

CRITICAL

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'.

Published: Nov 12, 2019 Modified: Jun 17, 2026
CWE-522

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: LOW User Interaction: NONE Scope: CHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products (18)

Vendor Product Version
microsoft windows_10 -
microsoft windows_10 1607
microsoft windows_10 1709
microsoft windows_10 1803
microsoft windows_10 1809
microsoft windows_10 1903
microsoft windows_7 -
microsoft windows_8.1 -
microsoft windows_rt_8.1 -
microsoft windows_server_2008 -
microsoft windows_server_2008 r2
microsoft windows_server_2008 r2
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 -
microsoft windows_server_2016 1803
microsoft windows_server_2016 1903
microsoft windows_server_2019 -

GitHub Security Advisory GHSA-g3jj-564j-38qm

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the...

Risk Scores

CVSS Score 9.9 / 10
EPSS Score 6.11%

Top 7% most likely to be exploited

Threat Score 41.4 / 100

Data Sources

NVD EPSS GitHub