What is CVE-2018-16069?

CVE-2018-16069 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-06-27.

How severe is CVE-2018-16069?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2018-16069 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Google Chrome

CVE-2018-16069

Unintended floating-point error accumulation in SwiftShader in Google Chrome prior to 69.0.3497.81 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-16069?: CVE-2018-16069 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-06-27.
How severe is CVE-2018-16069?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-16069 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.