CVE-2026-5274 Integer overflow in Chrome

High 8.8 Published Updated

A remote attacker can achieve arbitrary read/write access via a crafted HTML page due to an integer overflow in Chrome codecs.

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-2026-5274?

CVE-2026-5274 is a high-severity vulnerability in Google Chrome, published on 1 Apr 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

Integer overflow in Codecs in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-472

Which versions are affected by CVE-2026-5274?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-5274?

Upgrade to a fixed version.

Is CVE-2026-5274 being exploited?

There is no known exploitation of CVE-2026-5274 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-5274, GHSA-hx6g-3vm9-fm5c, MINI-f6mv-28c9-369q.

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