CVE-2019-1019
Microsoft Windows Security Feature Bypass Vulnerability
- Published
- Jun 12, 2019
- Updated
- May 20, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Jul 12, 2019
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 96.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges. The issue has been addressed by changing how NTLM validates network authentication messages.
Sources
2- PrintSpoofer-ReflectiveDLLExploit
The Windows Print Spooler privilege escalation vulnerability (CVE-2019-1040/CVE-2019-1019) has been implemented as a Reflective DLL for penetration testing.
Google Security Research · windows · Jul 12, 2019
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