CVE-2026-21274 Dreamweaver Desktop | Incorrect Authorization (CWE-863)

High 7.8 Published 13 Jan 2026 Updated 27 Aug 2026

An attacker can execute arbitrary code by tricking a user into opening a malicious file due to incorrect authorization checks in Adobe Dreamweaver Desktop.

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-2026-21274?

CVE-2026-21274 is a high-severity missing authorization vulnerability in Adobe Dreamweaver Desktop, 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

Dreamweaver Desktop versions 21.6 and earlier are affected by an Incorrect Authorization vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could leverage this vulnerability to bypass security measures and execute unauthorized code. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-863

Which versions are affected by CVE-2026-21274?

It affects 1 product.

Products include Adobe Dreamweaver.

How do I fix CVE-2026-21274?

No fix has been published for CVE-2026-21274 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-21274 being exploited?

There is no known exploitation of CVE-2026-21274 in the wild and no public exploit code.

Sources

Also known as GHSA-6936-mvf7-vfp7.