CVE-2026-78968 Missing authorization in Chrome

Medium 6.5 Published Updated

A remote attacker with compromised renderer access can spoof the address bar in Google Chrome due to missing authorization checks.

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-2026-78968?

CVE-2026-78968 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 Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially spoof address bar via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-862

Which versions are affected by CVE-2026-78968?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-78968?

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-2026-78968 being exploited?

There is no known exploitation of CVE-2026-78968 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-78968, ECHO-42ca-f2bf-6fc6, GHSA-fqw9-5q8w-m493, MINI-hw9x-4r7m-qc7r.

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