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Vulnerabilities

Vulnerability · CVE-2020-16017

Google Chrome Use-After-Free Vulnerability

Published Nov 7, 2020 · catalog updated Jun 16, 2026 · Google Chrome

Patch now

CVE-2020-16017 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Google Chrome against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.6
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.73%
Remediation
Remediation guidance
Affected products
cpe google/chrome · vendor 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe google/chromeversion unspecified
  • vendor Google Chromeversion unspecified

How to fix CVE-2020-16017

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-16017 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Google Chrome against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-416: Use After Free. EPSS 2.73%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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. 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.

Sources

  • CISA KEVConfirmed exploitationCVE-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.orgVulnerability recordCVE-2020-16017

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-16017

    30-day exploitation probability 2.7%

    first.org
  • NIST NVDVulnerability recordCVE-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
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.