{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-34681/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-34681"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Substance3D Designer (\u003c= 15.1.0)"],"_cs_severities":["high"],"_cs_tags":["cve-2026-34681","out-of-bounds write","code execution","user interaction","substance3d designer"],"_cs_type":"advisory","_cs_vendors":["Adobe"],"content_html":"\u003cp\u003eAdobe Substance3D Designer versions 15.1.0 and earlier contain an out-of-bounds write vulnerability (CVE-2026-34681). This vulnerability allows for arbitrary code execution in the context of the current user. The attack requires user interaction, as the victim must open a specially crafted malicious file. Successful exploitation could allow an attacker to execute arbitrary commands on the victim\u0026rsquo;s system. This vulnerability impacts systems where users routinely handle files from untrusted sources, such as downloaded assets or shared projects.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious Substance3D Designer file.\u003c/li\u003e\n\u003cli\u003eAttacker distributes the malicious file to the victim via email, shared storage, or other means.\u003c/li\u003e\n\u003cli\u003eThe victim, unaware of the danger, opens the malicious file in Adobe Substance3D Designer (version 15.1.0 or earlier).\u003c/li\u003e\n\u003cli\u003eThe out-of-bounds write vulnerability is triggered during the parsing or processing of the malicious file.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the application\u0026rsquo;s execution flow due to the memory corruption.\u003c/li\u003e\n\u003cli\u003eThe attacker injects and executes arbitrary code within the context of the current user.\u003c/li\u003e\n\u003cli\u003eThe attacker can then perform actions such as installing malware, stealing sensitive data, or compromising other applications.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-34681 can result in arbitrary code execution on the victim\u0026rsquo;s system. An attacker could leverage this to install malware, steal sensitive information, or gain persistent access. The severity of the impact depends on the user\u0026rsquo;s privileges and the sensitivity of the data accessible to the user. This vulnerability could potentially affect any user of Substance3D Designer 15.1.0 and earlier, especially those who work with files from untrusted or unknown sources.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade to a version of Adobe Substance3D Designer that addresses CVE-2026-34681.\u003c/li\u003e\n\u003cli\u003eExercise caution when opening files from untrusted sources.\u003c/li\u003e\n\u003cli\u003eImplement the Sigma rule \u0026ldquo;Detect Suspicious Substance3D File Opening\u0026rdquo; to detect potential exploitation attempts based on process execution characteristics.\u003c/li\u003e\n\u003cli\u003eMonitor process creation events for \u003ccode\u003eSubstance3D_Designer.exe\u003c/code\u003e spawning child processes with unusual command-line arguments.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T19:17:58Z","date_published":"2026-05-12T19:17:58Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34681-substance3d/","summary":"Adobe Substance3D Designer versions 15.1.0 and earlier are vulnerable to an out-of-bounds write, potentially leading to arbitrary code execution if a user opens a malicious file.","title":"CVE-2026-34681 - Adobe Substance3D Designer Out-of-Bounds Write Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34681-substance3d/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-34681","version":"https://jsonfeed.org/version/1.1"}