CVE-2026-21272: Dreamweaver Desktop | Improper Input Validation (CWE-20)

Published Jan 13, 2026
·
Updated

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 Software

4 affected components
Adobe Dreamweaver Desktop<=21.6
All of the following
Adobe Dreamweaver<21.7
Any of the following
Apple macOS
Microsoft Windows

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Dreamweaver Desktop to a version that resolves this vulnerability.

    Fixed in 21.6 and earlier
  2. Compensating control

    User interaction is required (victim must open a malicious file). Protect users by warning against opening untrusted/malicious files and controlling access to files from untrusted sources.

Event History

Jan 13, 2026
CVE Published
via MITRE·06:25 PM
Data Sourced
via MITRE·06:25 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Jan 5, 58022
Event
via FIRST·10:40 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-21272?

CVE-2026-21272 is classified as a high severity vulnerability due to its potential for arbitrary file system write.

2

How do I fix CVE-2026-21272?

To fix CVE-2026-21272, update Adobe Dreamweaver Desktop to version 21.7 or later.

3

What versions of Dreamweaver Desktop are affected by CVE-2026-21272?

Adobe Dreamweaver Desktop versions 21.6 and earlier are affected by CVE-2026-21272.

4

What type of vulnerability is CVE-2026-21272?

CVE-2026-21272 is categorized as an Improper Input Validation vulnerability.

5

What could an attacker achieve by exploiting CVE-2026-21272?

An attacker could leverage CVE-2026-21272 to manipulate or inject malicious data into the file system.

Contact

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