CVE-2026-91746 Integer overflow in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-91746, ECHO-3e7d-13e3-0d32, GHSA-jqqr-2xrg-36hg, MINI-p7mp-h2hh-p599.