CVE-2026-106261 Information disclosure in Chrome

Medium 6.5 Published Updated

A remote attacker can read memory inside the sandbox via a crafted HTML page due to an uninitialized resource in Google Chrome.

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-2026-106261?

CVE-2026-106261 is a medium-severity vulnerability in Google Chrome, published on 6 Oct 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

Uninitialized resource in Video in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-908

Which versions are affected by CVE-2026-106261?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106261?

Upgrade to a fixed version.

Is CVE-2026-106261 being exploited?

There is no known exploitation of CVE-2026-106261 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106261, ECHO-aa8d-e675-e0e7, GHSA-xhrm-h5x3-9vfq, MINI-3fxc-6q8c-5wmp.

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