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CVE-2026-34710 Adobe CVE debrief

CVE-2026-34710 is a high-severity vulnerability in Adobe Substance 3D Sampler, a 3D modeling and texturing software. The vulnerability, rated 7.8 CVSS score, is caused by an out-of-bounds write issue that could result in arbitrary code execution in the context of the current user. To exploit this vulnerability, a victim must open a malicious file, indicating that user interaction is required.

Vendor
Adobe
Product
Substance3D - Sampler
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-08-28
Advisory published
2026-06-09
Advisory updated
2026-08-28

Who should care

Users of Adobe Substance 3D Sampler versions 6.0.0 and earlier should apply the necessary patches to prevent potential exploitation.

Technical summary

The vulnerability exists in Substance3D - Sampler versions 6.0.0 and earlier. It is characterized as an out-of-bounds write issue, which can lead to arbitrary code execution. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating Local Attack Vector, Low Attack Complexity, No Privileges required, User Interaction Required, and High impact on Confidentiality, Integrity, and Availability.

Defensive priority

High

Recommended defensive actions

  • Apply the patch: Refer to [ref-4](https://helpx.adobe.com/security/products/substance3d-sampler/apsb26-60.html) for mitigation details from Adobe.

Evidence notes

The information provided is based on data from official sources, including the CVE record and NVD details.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34710 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34710

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-34710 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34710

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.