CVE-2026-15108 Integer overflow in Chrome

Medium 4.3 Published Updated

An integer overflow in Chrome's Extensions API allows attackers to perform out-of-bounds memory reads via malicious extensions.

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-2026-15108?

CVE-2026-15108 is a medium-severity vulnerability in Google Chrome, published on 8 Jul 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

Integer overflow in Extensions API in Google Chrome prior to 150.0.7871.115 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory read via a crafted Chrome Extension. (Chromium security severity: High)

Weakness: CWE-190

Which versions are affected by CVE-2026-15108?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-15108?

Upgrade to a fixed version.

Is CVE-2026-15108 being exploited?

There is no known exploitation of CVE-2026-15108 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-15108, ECHO-d132-34a8-5871, GHSA-6p2r-gg8g-33f2, MINI-w5c9-3xw6-g47p.

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