CVE-2026-79155 Race condition in Chrome

High 8.3 Published Updated

A race condition in Chrome's FileSystem allows remote attackers to execute arbitrary code outside the sandbox via a crafted HTML page.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-79155?

CVE-2026-79155 is a high-severity vulnerability in Google Chrome, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Race condition in FileSystem in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-367

Which versions are affected by CVE-2026-79155?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79155?

Upgrade to a fixed version.

Is CVE-2026-79155 being exploited?

There is no known exploitation of CVE-2026-79155 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79155, ECHO-2bbe-2ddb-7226, GHSA-9jhr-52w2-jgh9, MINI-jqhj-cw4j-wr8f.

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