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HIGH · 8.6

CVE-2026-21267

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 c...

Vulnerability 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.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AdobeDreamweaver< 21.7
AppleMacos-
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2026-21267?

CVE-2026-21267 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 c...

How severe is CVE-2026-21267?

CVE-2026-21267 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21267?

Check the references section above for vendor advisories and patch information. Affected products include: Adobe Dreamweaver, Apple Macos, Microsoft Windows.