CVE-2017-5070VulnerabilityPublished 06/08/2022Updated 10/24/2026

CVE-2017-5070: Google Chromium V8 Type Confusion Vulnerability

Affects Google Chromium V8Source CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 06/08/2022
KEV deadline: 06/22/2022
EPSS: 32.1% chance of exploitation in 30 days – higher than 98% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2017-5070 (opens in a new tab)

Description

CVE-2017-5070 is a type confusion vulnerability in the Google Chromium V8 JavaScript engine that allows remote attackers to execute code within the sandbox by delivering a crafted HTML page. This affects multiple Chromium-based browsers including Google Chrome, Microsoft Edge, and Opera. The vulnerability has been exploited in the wild.

Summary

The vulnerability identified as CVE-2017-5070 exists in the Google Chromium V8 engine, where a type confusion flaw enables remote code execution inside the sandbox environment. Attackers can exploit this by crafting malicious HTML pages that trigger the flaw when processed by the V8 engine. This impacts multiple browsers built on Chromium, such as Google Chrome, Microsoft Edge, and Opera. The vulnerability is classified under CWE-843 (Type Confusion) and has been observed in active exploitation scenarios.

Impact

Successful exploitation allows remote attackers to execute arbitrary code within the sandboxed environment of affected browsers. This can lead to compromise of browser security boundaries, potentially enabling further attacks or data exposure within the browser context. The vulnerability has been exploited in the wild, indicating active threat usage.

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 promptly once available. Until then, cautious browsing and limiting exposure to untrusted web content is advised.

Weaknesses

CWE-843Type Confusion (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 12:04:26 UTC

Weaknesses

References

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