CVE-2026-21272
HighCVSS 8.6Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
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 requires user interaction, such as opening a malicious file, and the scope is changed.
Risk Assessment
An attacker could write arbitrary data to system files, potentially leading to system modification or injection of malicious content. The risk includes potential data corruption and a change in security scope.
Recommendation
Update Dreamweaver Desktop to the latest version. Avoid opening files from untrusted sources and monitor the integrity of system files.
Other vulnerabilities in Adobe Dreamweaver
See all- CVE-2026-47909Medium
Dreamweaver Desktop versions 21.7 and earlier are affected by an Improper Input Validation vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation requires user interaction – the victim must open a malicious file. Scope is changed.
- CVE-2026-21274High
Dreamweaver Desktop versions 21.6 and earlier are affected by an incorrect authorization vulnerability that could allow arbitrary code execution in the context of the current user. An attacker could leverage this vulnerability to bypass security measures and execute unauthorized code. Exploitation requires user interaction, such as opening a malicious file.
- CVE-2026-21271High
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 requires user interaction, such as opening a malicious file, and the scope is changed.
Original NVD description (English source)
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.

