# CVE-2026-15776: Google Chrome type confusion in V8

Source: https://junglewise.ai/threats/cve-2026-15776-google-chrome-type-confusion-in-v8  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-14. Updated: 2026-07-14  
License: CC BY 4.0 with a link back

CVE-2026-15776 · Severity: high · CVSS 8.8 · Published 2026-07-14

A security vulnerability has been identified in Google Chrome's V8 engine, which is responsible for processing JavaScript. An attacker could exploit this flaw by tricking a user into visiting a specially crafted website, potentially allowing the attacker to execute unauthorized code on the user's computer. While the exploit is limited to the browser's security sandbox, it represents a significant risk to data privacy and system integrity.

Technologies: [Google Chrome](https://junglewise.ai/threats/technologies/chrome). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2026-15776 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-15776 being exploited in the wild.

**How severe is CVE-2026-15776?** High severity, with a CVSS score of 8.8, published 14 July 2026.

**Which products and versions are affected?** Google Chrome Prior to 150.0.7871.125.

**Is there a fix for CVE-2026-15776?** A patch was published on 2026-07-14: Stable channel update released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-15776 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-15776?** Check whether you run Google Chrome at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A type confusion vulnerability (CWE-843) exists in the V8 JavaScript engine within Google Chrome. The flaw stems from an inappropriate implementation that allows a remote, unauthenticated attacker to achieve arbitrary code execution within the browser's sandbox. Exploitation requires a user to navigate to a malicious or compromised web page (User Interaction). The vulnerability was addressed in Chrome version 150.0.7871.125 for Windows and Mac, and 150.0.7871.124 for Linux.

## Affected products

- Google Chrome Prior to 150.0.7871.125

## Timeline

- 2026-07-08: disclosed: Reported to Chromium by Salvatore Gulizia
- 2026-07-14: patched: Stable channel update released
- 2026-07-14: advisory: NVD publication date

## References

- [https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html](https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0353146366.html)
- [https://issues.chromium.org/issues/532595489](https://issues.chromium.org/issues/532595489)

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