CVE-2026-78952 Memory corruption in Chrome

High 8.3 Published Updated

A remote attacker with compromised renderer access can execute arbitrary code outside the sandbox via a crafted HTML page in Chrome on Windows.

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-2026-78952?

CVE-2026-78952 is a high-severity memory corruption 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

Out of bounds write in Crashpad in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-787

Which versions are affected by CVE-2026-78952?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-78952?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-78952 being exploited?

There is no known exploitation of CVE-2026-78952 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-78952, ECHO-7b50-abea-d758, GHSA-g6pq-88qr-3vgv, MINI-47w3-9462-2f6m.

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