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CVE-2026-48306 Adobe CVE debrief

CVE-2026-48306 is a HIGH-severity vulnerability in Adobe Substance 3D Sampler. Versions 6.0.0 and earlier are affected by an out-of-bounds write vulnerability, which could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction, as a victim must open a malicious file. The CVSS score for this vulnerability is 7.8.

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 patches or updates to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an out-of-bounds write issue in Substance3D - Sampler. This could allow an attacker to execute arbitrary code in the context of the current user if a victim opens a malicious file.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by Adobe to Substance 3D Sampler to address this vulnerability.
  • Ensure users do not open malicious files from untrusted sources.

Evidence notes

Evidence from the NVD and Adobe's PSIRT indicates that this vulnerability exists in Substance 3D Sampler versions 6.0.0 and earlier.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48306 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48306

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

  • CVE-2026-48306 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48306

    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.