How severe is CVE-2019-1054?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Vulnerability in Microsoft Edge (Edgehtml-based)

CVE-2019-1054

A security feature bypass vulnerability exists in Edge that allows for bypassing Mark of the Web Tagging (MOTW). Failing to set the MOTW means that a large number of Microsoft security technologies are bypassed. In a web-based attack scena…

EPSS: 0.011 (78.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C.

Affected products

Microsoft Edge (Edgehtml-based) — versions 1.0..0

References

Microsoft Edge Security Feature Bypass Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2019-1054?: CVE-2019-1054 is a medium-severity vulnerability in Microsoft Edge (Edgehtml-based). CVSS score: 5.0/10. Published 2019-06-12.
How severe is CVE-2019-1054?: Medium severity. CVSS v3 base score is 5.0 out of 10.