CVE-2026-79110 Missing authorization in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass web origin policy in Google Chrome via a crafted HTML page due to missing authorization in Preload.

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-2026-79110?

CVE-2026-79110 is a medium-severity missing authorization vulnerability in Google Chrome, published on 25 Aug 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

Missing authorization in Preload in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-862

Which versions are affected by CVE-2026-79110?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79110?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-79110 being exploited?

There is no known exploitation of CVE-2026-79110 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79110, ECHO-317f-f0a0-752f, GHSA-6pgj-82f5-w9qw, MINI-h939-r9w5-vmqg.

Is CVE-2026-79110 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free