{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/illustrator--29.8.6-30.3/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-34661"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Illustrator (\u003c= 29.8.6, 30.3)"],"_cs_severities":["high"],"_cs_tags":["cve-2026-34661","out-of-bounds write","code execution","adobe illustrator"],"_cs_type":"advisory","_cs_vendors":["Adobe Systems Incorporated"],"content_html":"\u003cp\u003eCVE-2026-34661 describes an out-of-bounds write vulnerability affecting Adobe Illustrator versions 29.8.6, 30.3, and earlier. This vulnerability can be exploited if a user opens a specially crafted, malicious file. Successful exploitation could lead to arbitrary code execution within the security context of the current user. This means an attacker could potentially gain control of the user\u0026rsquo;s system, depending on the user\u0026rsquo;s privileges. The vulnerability requires user interaction to trigger, as the victim must open the malicious file. This vulnerability could be exploited by attackers to deliver malware or compromise sensitive data.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious Adobe Illustrator file designed to trigger the out-of-bounds write vulnerability.\u003c/li\u003e\n\u003cli\u003eThe attacker delivers the malicious file to the victim, likely through social engineering (e.g., email attachment or download).\u003c/li\u003e\n\u003cli\u003eThe victim opens the malicious file using a vulnerable version of Adobe Illustrator.\u003c/li\u003e\n\u003cli\u003eThe vulnerable Adobe Illustrator software attempts to process the malicious file.\u003c/li\u003e\n\u003cli\u003eDue to the crafted nature of the file, an out-of-bounds write occurs during file processing, overwriting memory.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the memory corruption to inject malicious code.\u003c/li\u003e\n\u003cli\u003eThe injected code executes within the context of the Illustrator process.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves arbitrary code execution, potentially leading to system compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-34661 allows an attacker to execute arbitrary code on the victim\u0026rsquo;s system. This could lead to a full system compromise, data theft, or the installation of malware. Given the wide usage of Adobe Illustrator in creative and design sectors, a successful widespread attack could have a significant impact, disrupting workflows and potentially compromising sensitive design assets.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade to a patched version of Adobe Illustrator beyond versions 29.8.6 and 30.3 to remediate CVE-2026-34661.\u003c/li\u003e\n\u003cli\u003eImplement user awareness training to educate users about the risks of opening unsolicited or suspicious files.\u003c/li\u003e\n\u003cli\u003eMonitor process creation events for suspicious processes spawned by the Illustrator process (Illustrator.exe) using a rule such as the \u0026ldquo;Detect Suspicious Child Process of Adobe Illustrator\u0026rdquo; rule provided below.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:27:43Z","date_published":"2026-05-12T18:27:43Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34661-adobe-illustrator-oob-write/","summary":"Adobe Illustrator versions 29.8.6, 30.3 and earlier are affected by an out-of-bounds write vulnerability (CVE-2026-34661) that could lead to arbitrary code execution when a user opens a malicious file.","title":"CVE-2026-34661: Adobe Illustrator Out-of-Bounds Write Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34661-adobe-illustrator-oob-write/"}],"language":"en","title":"CraftedSignal Threat Feed — Illustrator (\u003c= 29.8.6, 30.3)","version":"https://jsonfeed.org/version/1.1"}