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

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. 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

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