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

Source: https://junglewise.ai/threats/cve-2026-76030-memory-corruption-in-filesystem-in-google-chrome-prior-to-156-0  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-30. Updated: 2026-10-30  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/chrome). Vendors: [Google](https://junglewise.ai/threats/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

- [https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02107719452.html](https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02107719452.html)
- [https://issues.chromium.org/issues/572269631](https://issues.chromium.org/issues/572269631)

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