Use After Free in Google Chrome

CVE-2018-17462

Incorrect refcounting in AppCache in Google Chrome prior to 70.0.3538.67 allowed a remote attacker to perform a sandbox escape via a crafted HTML page.

Vulnerability class: Use-After-Free

EPSS: 0.015 (71.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-17462?
CVE-2018-17462 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2018-11-14.
How severe is CVE-2018-17462?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2018-17462 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.