CVE-2019-1040

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

48.04% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.8% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-06-12 13:49Z7 YR AGO

Last updated

2025-05-20 17:50Z1 YR AGO

Reserved

2018-11-26

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C

Weaknesses

No CWE assigned

Data version

5.1

Document digest

b9a95fb9caa781c130b33e3a69dceac8223a43fb62b27426dc72619c36ad5dfe

• msrc.microsoft.comWindows NTLM Tampering Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1040vendor-advisory
• portal.msrc.microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1040x_refsource_MISC