---
id: CVE-2026-21271
title: >-
  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
summary: >-
  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
  interacti…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-20
vendor: adobe
product: dreamweaver
affected:
  - dreamweaver < 21.7
patched:
  - dreamweaver 21.7
published: '2026-01-13'
updated: '2026-08-27'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21271'
references:
  - url: 'https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html'
    label: psirt@adobe.com
tags:
  - nvd
epss: 0.00247
epssPercentile: 0.14163
ingestedAt: '2026-08-27T21:08:14.318Z'
---

## Overview

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.

## Affected

- `dreamweaver < 21.7`

## Remediation

Upgrade past the affected range:

- `dreamweaver 21.7`