{"id":"CVE-2026-21342","aliases":["EUVD-2026-6369","GHSA-ccp6-9f8v-9hf4"],"status":"published","title":"Substance3D - Stager | Out-of-bounds Write (CWE-787)","description":"Substance3D - Stager versions 3.1.6 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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00202,"percentile":0.10255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-02-10T18:16:27Z","modified":"2026-08-28T00:16:58Z","products":[{"vendor":"adobe","product":"substance3d - stager"},{"vendor":"adobe","product":"substance_3d_stager"}],"references":[{"url":"https://helpx.adobe.com/security/products/substance3d_stager/apsb26-20.html","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21342"},{"url":"https://github.com/advisories/GHSA-ccp6-9f8v-9hf4"}],"sources":{"cve":[{"id":"CVE-2026-21342","title":"Substance3D - Stager | Out-of-bounds Write (CWE-787)","description":"Substance3D - Stager versions 3.1.6 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.","status":"published","published":"2026-02-10T18:16:27.134Z","modified":"2026-08-27T22:02:43.075Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-6369","description":"Substance3D - Stager versions 3.1.6 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.","status":"published","published":"2026-02-10T18:16:27Z","modified":"2026-08-27T22:02:43Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:26.365059Z"}],"ghsa":[{"id":"GHSA-ccp6-9f8v-9hf4","title":"Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds write...","description":"Substance3D - Stager versions 3.1.6 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.","status":"published","published":"2026-02-10T21:31:29Z","modified":"2026-02-10T21:31:37Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:06:08.47148Z"}],"nvd":[{"id":"CVE-2026-21342","description":"Substance3D - Stager versions 3.1.6 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.","status":"published","published":"2026-02-10T19:15:56.613Z","modified":"2026-08-28T00:16:58.437Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}