CVE-2026-21271 HIGH

CVE-2026-21271: Dreamweaver Desktop | Improper Input Validation (CWE-20)

Vendor Adobe
Product Dreamweaver Desktop
Weakness CWE-20 · Input validation
Published January 13, 2026
Last update February 26, 2026

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
February 26, 2026 Record updated