# CVE-2026-103628: Google Chrome out-of-bounds write in WebGL

Source: https://junglewise.ai/threats/cve-2026-103628-out-of-bounds-write-in-webgl-in-google-chrome-prior-to-154-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-02. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-103628 · Severity: critical · CVSS 9.6 · Published 2026-10-02

Google Chrome's WebGL graphics renderer contains a critical memory corruption bug that can be triggered by viewing a specially crafted webpage. An attacker can exploit this to execute arbitrary code outside the browser sandbox, gaining full system compromise without the browser's security protections.

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

## Quick answers

**Is CVE-2026-103628 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103628 being exploited in the wild.

**How severe is CVE-2026-103628?** Critical severity, with a CVSS score of 9.6, published 2 October 2026.

**Which products and versions are affected?** Google Chrome prior to 154.0.8037.97.

**Is there a fix for CVE-2026-103628?** Yes: fixed in Chrome 154.0.8037.97. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-103628 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-103628?** 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.

## How to fix

- Fixed in Chrome 154.0.8037.97

## Technical details

An out-of-bounds write vulnerability in Chrome's WebGL implementation allows an unauthenticated remote attacker to write beyond allocated memory boundaries via a crafted HTML page. The vulnerability bypasses the sandbox isolation, enabling arbitrary code execution with browser process privileges. No user interaction beyond viewing a malicious webpage is required.

## Affected products

- Google Chrome prior to 154.0.8037.97

## Timeline

- 2026-10-02: disclosed

## References

- [https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html](https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop.html)
- [https://issues.chromium.org/issues/549995090](https://issues.chromium.org/issues/549995090)

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