CVE-2026-79247 Use after free in Chrome

High 8.3 Published Updated

A remote attacker with compromised renderer access can execute arbitrary code outside the sandbox via crafted network traffic in Google Chrome on Windows.

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-2026-79247?

CVE-2026-79247 is a high-severity use after free 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

Use after free in Chromoting in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)

Weakness: CWE-416

Which versions are affected by CVE-2026-79247?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79247?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-79247 being exploited?

There is no known exploitation of CVE-2026-79247 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79247, ECHO-e373-87d9-c912, GHSA-crjf-9g4f-hqg8, MINI-q532-www5-4fvj.

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