CVE-2026-5873 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 out-of-bounds read and write 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-2026-5873?

CVE-2026-5873 is a high-severity memory corruption vulnerability in Google Chrome, published on 8 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

Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-787, CWE-125

Which versions are affected by CVE-2026-5873?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-5873?

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-2026-5873 being exploited?

There is no known exploitation of CVE-2026-5873 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-5873, GHSA-5grw-5p3c-hg2g, MINI-mh6q-4qp8-wf7g.

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