CVE-2019-1338

MediumCVSS 5.9/10Last modified Jun 17, 2026

Description

A security feature bypass vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLMv2 protection if a client is also sending LMv2 responses, aka 'Windows NTLM Security Feature Bypass Vulnerability'.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

No affected versions have been published.

Timeline

Published
Oct 10, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2019-1338: Medium severity, CVSS 5.9 | Vulnix