Is CVE-2026-21267 in the CISA KEV catalog?

No. CVE-2026-21267 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-21267?

CVE-2026-21267 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2026-21267?

CVE-2026-21267 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-21267

HIGH

8.6

CVSS v3

NVD

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.

CWE-78OS Command Injection

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-14.