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Findings

CVE-2020-16017

Google Chrome Use-After-Free Vulnerability

Published Jan 8, 2021 · updated Jun 16, 2026 · google chrome

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2021 · Catalog

    Detected

    Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

  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

    Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe google/chromeversion unspecified
  • vendor Google Chromeversion unspecified

Sources

  • CISA KEVCVE-2020-16017

    Google Chrome contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page.

    cisa.gov
  • CVE.orgCVE-2020-16017

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2020-16017

    30-day exploitation probability 2.7%

    first.org
  • NIST NVDCVE-2020-16017

    Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

    nvd.nist.gov

References