{"id":"CVE-2026-21307","title":"Substance3D - Designer versions 15.0.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user","summary":"Substance3D - Designer versions 15.0.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interactio…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"adobe","product":"substance_3d_designer","affected":["substance_3d_designer < 15.1.0"],"patched":["substance_3d_designer 15.1.0"],"published":"2026-01-13","updated":"2026-08-27","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21307","references":[{"url":"https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html","label":"psirt@adobe.com"}],"tags":["nvd"],"epss":0.00176,"epssPercentile":0.07422,"ingestedAt":"2026-08-27T21:08:14.910Z","slug":"CVE-2026-21307","body":"## Overview\n\nSubstance3D - Designer versions 15.0.3 and earlier are affected by an out-of-bounds write 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.\n\n## Affected\n\n- `substance_3d_designer < 15.1.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `substance_3d_designer 15.1.0`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}