CVE-2026-21267

High

Description

Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability that could lead in arbitrary code execution by an attacker. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.

SeverityHigh

CVSS8.6

Exploit probability—

Product

Adobe Dreamweaver

PublishedJan 13, 2026

First seenJan 13, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

adobe dreamweaver21.7 or later

Vendor advisories

helpx.adobe.com/security/products/dreamweaver/apsb26-01.html

Affected products

Product	Affected versions	Fixed in
adobe dreamweaver	v < 21.7	21.7

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