How severe is CVE-2026-21274?

CVE-2026-21274 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21274 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21274?

CVE-2026-21274 affects Adobe Dreamweaver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21274?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21274 have an EU (EUVD) identifier?

Yes. CVE-2026-21274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2063.

When was CVE-2026-21274 published?

CVE-2026-21274 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-21274

CVE-2026-21274 is a high-severity vulnerability in Adobe Dreamweaver with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2063
Weakness: CWE-863
Affected product: Adobe Dreamweaver
Published: 2026-01-13
Last modified: 2026-06-17

Description

Dreamweaver Desktop versions 21.6 and earlier are affected by an Incorrect Authorization vulnerability that could result in 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 of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2026-21274?: Dreamweaver Desktop versions 21.6 and earlier are affected by an Incorrect Authorization vulnerability that could result in 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 of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2026-21274?: CVE-2026-21274 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21274 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21274?: CVE-2026-21274 affects Adobe Dreamweaver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21274?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21274 have an EU (EUVD) identifier?: Yes. CVE-2026-21274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2063.
When was CVE-2026-21274 published?: CVE-2026-21274 was published on 2026-01-13 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:adobe:dreamweaver:*:*:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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Browse all CWE-863 (Incorrect Authorization) vulnerabilities →