CVE-2020-16040

Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potent…

Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vendor: google
Product: chrome
CVSS 3.1: 6.5 (medium), scored by NVD (primary)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE: CWE-20, CWE-190, CWE-787
Published: 2021-01-08
NVD modified: 2026-06-17
NVD status: Modified

Not in the CISA KEV catalogue at the last update.

EPSS

100% chance of exploitation in the next 30 days (percentile 99th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

References

packetstormsecurity.com (Broken Link)
chromereleases.googleblog.com (Release Notes, Vendor Advisory)
crbug.com (Issue Tracking, Patch, Vendor Advisory)
packetstormsecurity.com (Broken Link)
chromereleases.googleblog.com (Release Notes, Vendor Advisory)
crbug.com (Issue Tracking, Patch, Vendor Advisory)

Data last updated 18 Oct 2026. Sources: NVD API 2.0, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.