CVE-2026-79259 Security feature bypass in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass system access restrictions in Google Chrome via a crafted file due to improper input validation in Safebrowsing.

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-2026-79259?

CVE-2026-79259 is a medium-severity 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

Improper input validation in Safebrowsing in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass system access restrictions via a crafted file. (Chromium security severity: Medium)

Weakness: CWE-20

Which versions are affected by CVE-2026-79259?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79259?

Upgrade to a fixed version.

Is CVE-2026-79259 being exploited?

There is no known exploitation of CVE-2026-79259 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79259, ECHO-5ffa-7708-a86f, GHSA-crr2-53q9-g76c, MINI-5x76-5fg5-m889.

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