CVE-2020-16013VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2020-16013: Google Chromium V8 Incorrect Implementation Vulnerabililty

Affects Google Chromium V8Source CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 11/03/2021
KEV deadline: 05/03/2022
EPSS: 2.8% chance of exploitation in 30 days – higher than 86% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2020-16013 (opens in a new tab)

Description

CVE-2020-16013 is a vulnerability in the Google Chromium V8 JavaScript engine caused by an incorrect implementation that can lead to heap corruption. This flaw allows a remote attacker to potentially exploit the vulnerability by crafting a malicious HTML page. Multiple web browsers that use Chromium, including Google Chrome, Microsoft Edge, and Opera, may be affected. The vulnerability has been exploited in the wild. No explicit affected versions or patch information is provided in the source data.

Summary

The Google Chromium V8 engine contains an implementation flaw classified as CWE-787 (Out-of-bounds Write) that can lead to heap corruption. This vulnerability can be triggered remotely via a crafted HTML page, potentially allowing attackers to execute arbitrary code or cause denial of service. It affects multiple Chromium-based browsers such as Google Chrome, Microsoft Edge, and Opera. Exploitation of this vulnerability has been observed in the wild. The source data does not specify affected versions or patch availability.

Impact

Successful exploitation of this vulnerability can result in heap corruption, which may allow remote attackers to execute arbitrary code or crash the affected browser. Given that multiple widely used Chromium-based browsers are impacted, the potential impact is significant. The vulnerability is known to be exploited in the wild, increasing the urgency of mitigation.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users and administrators should monitor official Google Chromium security advisories for updates and apply patches once available. Until then, exercising caution when visiting untrusted websites is advisable.

Weaknesses

CWE-787Out-of-bounds Write (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 09:26:10 UTC

Weaknesses

References

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