CVE-2026-79263 Race condition in Chrome

High 8.1 Published Updated

A race condition in Chrome extensions allows remote attackers to execute arbitrary code inside the sandbox via crafted network traffic.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-79263?

CVE-2026-79263 is a high-severity vulnerability in Google Chrome, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Race condition in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Low)

Weakness: CWE-367

Which versions are affected by CVE-2026-79263?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79263?

Upgrade to a fixed version.

Is CVE-2026-79263 being exploited?

There is no known exploitation of CVE-2026-79263 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79263, ECHO-de74-44db-9d4a, GHSA-w8cr-x234-gm99, MINI-vqw8-j4pm-5hmx.

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