CVE-2026-91746 Integer overflow in Chrome

Medium 4.3 Published Updated

A remote attacker can obtain cross-origin data via a crafted HTML page due to an integer overflow in Chrome's compositing engine.

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-2026-91746?

CVE-2026-91746 is a medium-severity vulnerability in Google Chrome, published on 15 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

Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-190

Which versions are affected by CVE-2026-91746?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-91746?

Upgrade to a fixed version.

Is CVE-2026-91746 being exploited?

There is no known exploitation of CVE-2026-91746 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-91746, ECHO-3e7d-13e3-0d32, GHSA-jqqr-2xrg-36hg, MINI-p7mp-h2hh-p599.

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