What is CVE-2020-6492?

CVE-2020-6492 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2021-11-02.

How severe is CVE-2020-6492?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Use After Free in Google Chrome

CVE-2020-6492

Use after free in ANGLE in Google Chrome prior to 83.0.4103.97 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Vulnerability class: Use-After-Free

Published 2021-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-416 — Use After Free

References

crbug.com/1078375 (Exploit, Patch, Third Party Advisory, Issue Tracking)
chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html (Third Party Advisory)

Frequently asked questions

What is CVE-2020-6492?: CVE-2020-6492 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2021-11-02.
How severe is CVE-2020-6492?: Critical severity. CVSS v3 base score is 9.6 out of 10.