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CVE-2026-21267

HIGHCVSS 8.6/10EPSS 0.72%

Last modified

CVE-2026-21267 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.6/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability
0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeDreamweaver< 21.7

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.
How severe is CVE-2026-21267?
CVE-2026-21267 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2026-21267?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-21267?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST