CVE-2026-8543 Information disclosure in Chrome

Medium 5.3 Published Updated

A remote attacker can obtain sensitive process memory information via a crafted HTML page in Google Chrome on Mac.

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-2026-8543?

CVE-2026-8543 is a medium-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

Out of bounds read in FileSystem in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-125

Which versions are affected by CVE-2026-8543?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-8543?

Upgrade to a fixed version.

Is CVE-2026-8543 being exploited?

There is no known exploitation of CVE-2026-8543 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-8543, ECHO-7cec-9fc5-9983, GHSA-h69r-vw7v-6c65, MINI-645j-fmgr-vhf4.

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