CVE-2026-21267: Dreamweaver Desktop | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-13 · updated 2026-08-28
Weakness: CWE-78

Description

Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability that could lead in arbitrary code execution by an attacker. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.

Affected products

Adobe Dreamweaver Desktop: before 21.7 — fixed in 21.7

How to fix

Upgrade to a fixed version: Adobe Dreamweaver Desktop 21.7. Check the vendor advisory for mitigations.

References

https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html

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