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Findings

CVE-2020-16009

Google Chromium V8 Type Confusion Vulnerability

Published Nov 2, 2020 · updated Jun 16, 2026 · cefsharp cefsharp

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 2, 2020 · Catalog

    Detected

    Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe cefsharp/cefsharpversion unspecified
  • cpe debian/debian linux10.0
  • cpe fedoraproject/fedora32
  • cpe google/chromeversion unspecified
  • cpe microsoft/edgeversion unspecified
  • cpe microsoft/edge chromiumversion unspecified
  • cpe opensuse/backports sle15.0
  • cpe opensuse/leap15.1
  • cpe opensuse/leap15.2
  • vendor Google Chromium V8version unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-16009

    Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-16009

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-16009

    30-day exploitation probability 48.3%

    first.org
  • NIST NVDVulnerability recordCVE-2020-16009

    Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References