OS Command Injection in Dreamweaver Desktop <=21.6 Arbitrary Exec
CVE-2026-21267 Published on January 13, 2026
Dreamweaver Desktop | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)
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.
Vulnerability Analysis
CVE-2026-21267 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-21267 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-21267
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Affected Versions
Adobe Dreamweaver Desktop:- Before and including 21.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.