CVE-2026-40446 Memory corruption in Escargot

Medium 6.9 Published 13 Apr 2026 Updated 13 Apr 2026

A type confusion vulnerability in the Escargot JavaScript engine allows attackers to manipulate pointers, potentially leading to arbitrary code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-40446?

CVE-2026-40446 is a medium-severity memory corruption vulnerability in Samsung Open Source Escargot, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Access of resource using incompatible type ('type confusion') vulnerability in Samsung Open Source Escargot allows Pointer Manipulation.This issue affects Escargot: 97e8115ab1110bc502b4b5e4a0c689a71520d335.

Weakness: CWE-843

Which versions are affected by CVE-2026-40446?

It affects 1 product.

Products include Samsung Escargot.

How do I fix CVE-2026-40446?

No fix has been published for CVE-2026-40446 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-2026-40446 being exploited?

There is no known exploitation of CVE-2026-40446 in the wild and no public exploit code.

Sources

Also known as GHSA-jphw-6w8r-xh4r.