CVE-2026-21271

CWE-20 — Improper Input Validation4 documents4 sources
Severity
8.6HIGH
EPSS
0.1%
top 79.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Adobe DreamweaverAdobe Dreamweaver Desktop
Timeline
PublishedJan 13

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitability: 1.8 | Impact: 6.0

Affected Packages2 packages

▶NVDadobe/dreamweaver< 21.7

🔴Vulnerability Details

2
GHSA
GHSA-m34w-rgmx-fr6x: Dreamweaver Desktop versions 21↗2026-01-13
▶
CVEList
Dreamweaver Desktop | Improper Input Validation (CWE-20)↗2026-01-13
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-21271 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-21271 (HIGH CVSS 8.6) | Dreamweaver Desktop versions 21.6 a | cvebase.io