CVE-2026-9889 Memory corruption in Chrome

High 8.3 Published Updated

A remote attacker can escape the sandbox and execute arbitrary code via a crafted HTML page exploiting out-of-bounds memory access in Chrome on Android.

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-2026-9889?

CVE-2026-9889 is a high-severity memory corruption vulnerability in Google Chrome, published on 28 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 and write in Dawn in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Weakness: CWE-787, CWE-125

Which versions are affected by CVE-2026-9889?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-9889?

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-2026-9889 being exploited?

There is no known exploitation of CVE-2026-9889 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-9889, ECHO-79bc-0e4a-2c64, GHSA-gf8f-g97g-h982, MINI-pvvc-q624-g5rc.

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