Vulnerability in Microsoft Edge

CVE-2018-8388

A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8383.

EPSS: 0.036 (88.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

  • Microsoft Edge
  • Microsoft Edge — versions Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-8388?
CVE-2018-8388 is a medium-severity vulnerability in Microsoft Edge, classified under Authentication Bypass by Spoofing. CVSS score: 4.3/10. Published 2018-08-15.
How severe is CVE-2018-8388?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2018-8388 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.