HIGH

CVE-2019-0666

CVSS v3

7.5

HIGH

EPSS Score

20.4 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-0666 yet.

Full record on NVD

Description

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'Windows VBScript Engine Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0665, CVE-2019-0667, CVE-2019-0772.

Technical details

Published: 2019-04-08

Frequently asked questions

What is CVE-2019-0666?

Is CVE-2019-0666 actively exploited?

Active exploitation of CVE-2019-0666 has not been confirmed. Its EPSS score was 20.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-0666?

CVE-2019-0666 has a CVSS v3 base score of 7.5 (HIGH severity).

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