CVE-2026-103843

7.8High

Published 13 Oct 2026 · NVD status: Undergoing Analysis · AI triage by gemini-3.8-flash

7.8High

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required
Impact: Full C/I/A compromise
Weakness: CWE-416

Impact

An attacker can execute arbitrary code with the privileges of the local user if they trick the user into opening a maliciously crafted file. Exploitation relies on local user interaction.

Root cause

A use-after-free flaw allows memory corruption when parsing malformed files.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Fix & remediation

Upgrade Adobe Substance 3D Stager according to advisory APSB26-170; as an interim workaround, avoid opening untrusted or unverified project files.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Substance3D - Stager is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

References

https://www.adobe.com/trust/security/products/substance3d-stager/apsb26-170.html

Source: nvd.nist.gov/vuln/detail/CVE-2026-103843