What is CVE-2026-21267?

CVE-2026-21267 is a high-severity vulnerability in Adobe Dreamweaver, classified under OS Command Injection. CVSS score: 8.6/10. Published 2026-01-13.

How severe is CVE-2026-21267?

High severity. CVSS v3 base score is 8.6 out of 10.

RCE in Adobe Dreamweaver

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 code execution by an attacker. Exploitat…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (49.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Adobe Dreamweaver
Adobe Dreamweaver Desktop — versions 0
Apple Macos
Microsoft Windows

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21267?: CVE-2026-21267 is a high-severity vulnerability in Adobe Dreamweaver, classified under OS Command Injection. CVSS score: 8.6/10. Published 2026-01-13.
How severe is CVE-2026-21267?: High severity. CVSS v3 base score is 8.6 out of 10.