CVE-2026-21271

High

Description

Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation 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 and scope is changed.

SeverityHigh

CVSS8.6

Exploit probability—

Product

Adobe Dreamweaver

PublishedJan 13, 2026

First seenJan 13, 2026

Weakness typeCWE-20Improper input validation

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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