CVE-2026-8577 Integer overflow in Chrome

High 8.8 Published Updated

A remote attacker can execute arbitrary code inside the sandbox via a crafted HTML page due to an integer overflow in font handling.

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-2026-8577?

CVE-2026-8577 is a high-severity vulnerability in Google Chrome, published on 14 May 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 Fonts in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-472

Which versions are affected by CVE-2026-8577?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-8577?

Upgrade to a fixed version.

Is CVE-2026-8577 being exploited?

There is no known exploitation of CVE-2026-8577 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-8577, ECHO-d27c-d2b9-9b8d, GHSA-jv86-hcwp-f7cf, MINI-vqm4-jm55-mc2r.

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