CVE-2026-8536 Security feature bypass in Chrome

Low 3.1 Published Updated

A remote attacker with compromised renderer access can bypass site isolation in Google Chrome on Mac via a crafted HTML page.

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-2026-8536?

CVE-2026-8536 is a low-severity vulnerability in Google Chrome, published on 14 May 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

Insufficient validation of untrusted input in ReadingMode in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass site Isolation via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-20

Which versions are affected by CVE-2026-8536?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-8536?

Upgrade to a fixed version.

Is CVE-2026-8536 being exploited?

There is no known exploitation of CVE-2026-8536 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-8536, ECHO-5268-4497-4125, GHSA-95f7-hw38-qq42, MINI-56hf-5v2v-gj6v.

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