CVE-2026-100131 Adobe CVE debrief

Who should care

Defenders responsible for Adobe Substance 3D Sampler deployments should assess exposure and verify vulnerable versions. This includes IT administrators, security teams, and operators who use or manage Substance 3D Sampler in their environments. They should review and apply vendor-provided security updates, and verify user interaction and malicious file handling in Substance 3D Sampler.

Why it matters

CVE-2026-100131 is a medium-severity vulnerability in Adobe Substance 3D Sampler that requires user interaction to exploit, potentially leading to sensitive memory disclosure. Defenders should assess exposure, verify vulnerable versions, and apply security updates.

• Verify vulnerable versions of Substance 3D Sampler are updated to 6.0.4 or later
• Assess user interaction and malicious file handling in Substance 3D Sampler

Technical summary

Substance 3D Sampler is affected by an out-of-bounds read vulnerability (CWE-125) that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information, requiring user interaction to open a malicious file. The vulnerability has a CVSS score of 5.5 and a medium severity. There are no known exploits or attacks in the wild, but defenders should verify vulnerable versions and apply security updates. The vulnerability affects Adobe Substance 3D Sampler, a software used for 3D modeling and texturing.

Defensive priority

Medium priority for defenders to assess exposure and verify vulnerable versions of Substance 3D Sampler.

Recommended defensive actions

• Assess exposure by checking if Substance 3D Sampler versions are earlier than 6.0.4
• Verify user interaction and malicious file handling in Substance 3D Sampler
• Review and apply vendor-provided security updates
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information on exploitation or impact is limited. The vulnerability is identified as CWE-125, an out-of-bounds read issue. There are no known exploits or attacks in the wild, but defenders should verify vulnerable versions and apply security updates. The source item provides limited information on the vulnerability, and no additional sources were found to provide further details.

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.