CVE-2026-21283 Bridge | Heap-based Buffer Overflow (CWE-122)

High 7.8 Published 13 Jan 2026 Updated 27 Aug 2026

Heap-based buffer overflow in Adobe Bridge 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-2026-21283?

CVE-2026-21283 is a high-severity memory corruption vulnerability in Adobe Bridge, published on 13 Jan 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

Bridge versions 15.1.2, 16.0 and earlier are affected by a Heap-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-787, CWE-122

Which versions are affected by CVE-2026-21283?

It affects 1 product.

Products include Adobe Bridge.

How do I fix CVE-2026-21283?

No fix has been published for CVE-2026-21283 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-2026-21283 being exploited?

There is no known exploitation of CVE-2026-21283 in the wild and no public exploit code.

All Adobe Bridge vulnerabilities

Sources

Also known as GHSA-hr3q-8v38-x8wq.