What is CVE-2018-6157?

CVE-2018-6157 is a high-severity vulnerability in Google Chrome, classified under Incorrect Type Conversion or Cast. CVSS score: 8.8/10. Published 2019-06-27.

How severe is CVE-2018-6157?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Chrome

CVE-2018-6157

Type confusion in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

Published 2019-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

Frequently asked questions

What is CVE-2018-6157?: CVE-2018-6157 is a high-severity vulnerability in Google Chrome, classified under Incorrect Type Conversion or Cast. CVSS score: 8.8/10. Published 2019-06-27.
How severe is CVE-2018-6157?: High severity. CVSS v3 base score is 8.8 out of 10.