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Vulnerability Intelligence

CVE-2020-16040

MediumExploitedPublic exploit

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.

Published Jan 8, 2021 · Updated Aug 5, 2026 · Also known as DEBIAN-CVE-2020-16040, UBUNTU-CVE-2020-16040

Key Facts

Patch immediately
  • CVE-2020-16040 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Chrome (Google), chromium (arch), chromium-browser (ubuntu) and 5 more products.
  • It is exploited in the wild, listed in Industry KEV feed since Jan 26, 2026. Public exploit code is available.
  • EPSS estimates a 100% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Chrome 87.0.4280.88, chromedriver 87.0.4280.88-bp151.3.147.1, chromedriver 87.0.4280.88-bp152.2.44.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS (30-day exploit likelihood)

100%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2020-16040 brief as a PDF

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Description

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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJan 26, 2026n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

31 affected entries in total
ProductAffected versionsFixed in
ChromeGoogle>= unspecified87.0.4280.88
chromiumarchSee advisory87.0.4280.88-1
chromium-browserubuntuSee advisory89.0.4389.82-0ubuntu0.16.04.1
nodejsphotonSee advisory16.20.0-1.ph3
chromedriversuseSee advisory87.0.4280.88-lp151.2.162.1
3 more affected products in the full CVE brief

Patched Releases

Chrome

87.0.4280.88

chromedriver

87.0.4280.88-bp151.3.147.1, 87.0.4280.88-bp152.2.44.1, 87.0.4280.88-lp151.2.162.1, 87.0.4280.88-lp152.2.57.1, 93.0.4577.82-1.1

chromium

87.0.4280.88-0.1, 87.0.4280.88-1, 87.0.4280.88-bp151.3.147.1, 87.0.4280.88-bp152.2.44.1, 87.0.4280.88-lp151.2.162.1, 87.0.4280.88-lp152.2.57.1, 93.0.4577.82-1.1

chromium-browser

89.0.4389.82-0ubuntu0.16.04.1, 89.0.4389.82-0ubuntu0.18.04.1

nodejs

16.20.0-1.ph3

opera

73.0.3856.284-lp151.2.39.1, 73.0.3856.284-lp152.2.27.1

ungoogled-chromium

113.0.5672.92-1.1

ungoogled-chromium-chromedriver

113.0.5672.92-1.1

Timeline

  1. Publicly disclosed

    Jan 8, 2021

  2. Added to Industry KEV feed

    Jan 26, 2026

  3. Last updated

    Aug 5, 2026

Weakness Type

  • CWE-20 Improper Input Validation
  • CWE-190 Integer Overflow or Wraparound
  • CWE-787 Out-of-bounds Write

References

6 more references in the full CVE brief

FAQ

Common Questions.

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