CVE-2026-8915 Memory corruption in Escargot

High 8.8 Published 28 May 2026 Updated 28 May 2026

An out-of-bounds write in the Escargot JavaScript engine allows attackers to execute arbitrary code or cause a denial of service.

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: None listed

What is CVE-2026-8915?

CVE-2026-8915 is a high-severity memory corruption vulnerability in Samsung Open Source Escargot, 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 write vulnerability in Samsung Open Source Escargot allows Overflow Buffers.

This issue affects Escargot: 36f5fb58366a67b713c02f6fd985e924fcc09e31.

Weakness: CWE-787

Which versions are affected by CVE-2026-8915?

It affects 1 product.

Products include Samsung Escargot.

How do I fix CVE-2026-8915?

No fix has been published for CVE-2026-8915 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2026-8915 being exploited?

There is no known exploitation of CVE-2026-8915 in the wild and no public exploit code.

Sources

Also known as GHSA-h78v-r6mm-5vwf.