CVE-2026-76030: Google Chrome memory corruption in FileSystem

CVE-2026-76030 · Severity: info · Published 2026-10-30

Google Chrome's file system handling component has a memory corruption flaw that could allow an attacker to execute arbitrary code inside the browser's security sandbox by tricking a user into visiting a malicious webpage. This could lead to compromise of user data and browser privileges.

Technologies: Google Chrome. Vendors: Google.

Quick answers

Is CVE-2026-76030 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76030 being exploited in the wild.
How severe is CVE-2026-76030?
Informational severity, published 30 October 2026.
Which products and versions are affected?
Google Chrome prior to 156.0.8078.79.
Is there a fix for CVE-2026-76030?
Yes: fixed in Chrome 156.0.8078.79 (Windows, Mac), 156.0.8078.80 (Windows, Mac). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-76030 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-76030?
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 156.0.8078.79 (Windows, Mac), 156.0.8078.80 (Windows, Mac)

Technical details

A memory corruption vulnerability in Chrome's FileSystem component allows remote code execution within the browser sandbox. The flaw is triggered via a crafted HTML page visited by a user, requiring no special privileges or authentication. Exploitation results in arbitrary code execution sandboxed within the browser process.

Affected products

  • Google Chrome prior to 156.0.8078.79

Timeline

  • 2026-10-29: disclosed
  • 2026-10-29: patched

References

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