---
id: CVE-2026-21272
title: >-
  Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper
  Input Validation vulnerability that could lead to arbitrary file system write
summary: >-
  Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper
  Input Validation vulnerability that could lead to arbitrary file system write.
  An attacker could leverage this vulnerability to manipulate or inject
  malicious data…
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-2026-21272'
references:
  - url: 'https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html'
    label: psirt@adobe.com
tags:
  - nvd
epss: 0.00229
epssPercentile: 0.13965
ingestedAt: '2026-08-27T21:08:14.357Z'
---

## Overview

Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could lead to arbitrary file system write. An attacker could leverage this vulnerability to manipulate or inject malicious data into files on the system. 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`