CVE-2026-103824 Adobe CVE debrief

Who should care

Defenders responsible for systems with Adobe Substance 3D Designer deployments, especially those with user-interactive access, should assess exposure and verify inventory. They should prioritize updates for affected systems and monitor for malicious file attempts. Defenders should also review relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

CVE-2026-103824 is a medium-severity vulnerability in Adobe Substance 3D Designer that requires user interaction to exploit, leading to a denial-of-service condition. Defenders should assess exposure, verify inventory, and prioritize updates for affected systems.

• Denial-of-service condition through application crash.
• Potential disruption to creative workflows.
• Need for verification of affected versions and user interaction.
• Priority for applying vendor-provided updates.

Technical summary

The vulnerability is a NULL Pointer Dereference in Adobe Substance 3D Designer, which could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application by tricking a victim into opening a malicious file. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. There are no known ransomware campaigns using this vulnerability. The vulnerability affects Adobe Substance 3D Designer, specifically versions 16.0.4 or prior. Defenders should assess exposure and verify inventory, especially for systems with user-interactive access.

Defensive priority

Medium priority for defenders to assess exposure and verify inventory, especially for systems with user-interactive Substance 3D Designer deployments.

Recommended defensive actions

• Assess exposure by verifying if Substance 3D Designer versions 16.0.4 or prior are in use.
• Verify inventory of systems with user-interactive Substance 3D Designer deployments.
• Apply vendor-provided updates when available.
• Monitor for malicious file attempts and implement compensating controls.
• Review relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and source item provide details on the vulnerability, its impact, and affected versions. However, specific details on exploitation and remediation are limited. The vulnerability has a CVSS score of 5.5 and a severity of MEDIUM. There are no known ransomware campaigns using this vulnerability. Defenders should verify affected versions and user interaction, and prioritize updates for affected systems.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.