CVE-2026-48389 DNG SDK | Stack-based Buffer Overflow (CWE-121)

High 7.8 Published 20 Jul 2026 Updated 27 Aug 2026

A stack-based buffer overflow in the Adobe DNG SDK allows arbitrary code execution if a user opens a malicious file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-48389?

CVE-2026-48389 is a high-severity memory corruption vulnerability in Adobe DNG Software Development Kit (SDK), published on 20 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

DNG SDK versions 1.7.1 2536 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-121

Which versions are affected by CVE-2026-48389?

It affects 1 product.

Products include Adobe Dng Software Development Kit.

How do I fix CVE-2026-48389?

No fix has been published for CVE-2026-48389 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-2026-48389 being exploited?

There is no known exploitation of CVE-2026-48389 in the wild and no public exploit code.

Sources

Also known as GHSA-wp47-28f7-9775.