How severe is CVE-2026-21336?

CVE-2026-21336 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-21336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21336?

CVE-2026-21336 affects Adobe Substance 3d Designer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21336 have an EU (EUVD) identifier?

Yes. CVE-2026-21336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6767.

When was CVE-2026-21336 published?

CVE-2026-21336 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-21336

CVE-2026-21336 is a medium-severity vulnerability in Adobe Substance 3d Designer with a CVSS 3.x base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6767
Weakness: CWE-476
Affected product: Adobe Substance 3d Designer
Published: 2026-02-10
Last modified: 2026-06-17

Description

Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2026-21336?: Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2026-21336?: CVE-2026-21336 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-21336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21336?: CVE-2026-21336 affects Adobe Substance 3d Designer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21336 have an EU (EUVD) identifier?: Yes. CVE-2026-21336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6767.
When was CVE-2026-21336 published?: CVE-2026-21336 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/substance3d_designer/apsb26-19.html

Affected products (1)

cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*

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