CVE-2026-84326 Memory corruption in Chrome

High 8.8 Published Updated

Remote attackers can execute arbitrary code inside the sandbox via a crafted HTML page due to uninitialized resources in V8.

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-2026-84326?

CVE-2026-84326 is a high-severity memory corruption vulnerability in Google Chrome, published on 1 Sep 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

Uninitialized resource in V8 in Google Chrome prior to 152.0.7977.75 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-908

Which versions are affected by CVE-2026-84326?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-84326?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-84326 being exploited?

There is no known exploitation of CVE-2026-84326 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-84326, ECHO-1fbe-41b1-9f1c, GHSA-jxq7-x28c-j85p, MINI-f5hh-2r2c-7g2h.

Is CVE-2026-84326 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free