CVE-2026-78977 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 the GPU component.

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-2026-78977?

CVE-2026-78977 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

Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-908

Which versions are affected by CVE-2026-78977?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-78977?

Upgrade to a fixed version.

Is CVE-2026-78977 being exploited?

There is no known exploitation of CVE-2026-78977 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-78977, ECHO-5e5d-bd33-a078, GHSA-q287-g725-23jg, MINI-j6c8-4448-5m9w.

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