{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-34643/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-34643"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["After Effects (\u003c= 26.0)","After Effects (25.6.4)"],"_cs_severities":["high"],"_cs_tags":["cve-2026-34643","out-of-bounds write","code execution","adobe after effects"],"_cs_type":"threat","_cs_vendors":["Adobe Systems Incorporated"],"content_html":"\u003cp\u003eAdobe After Effects versions 26.0, 25.6.4, and older are vulnerable to an out-of-bounds write vulnerability (CVE-2026-34643). This flaw could allow an attacker to execute arbitrary code within the context of the currently logged-on user. Successful exploitation requires a user to open a specially crafted, malicious file using the affected version of After Effects. The vulnerability poses a significant risk to users who handle files from untrusted sources, as it could lead to system compromise.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious After Effects project file (.aep) designed to trigger an out-of-bounds write.\u003c/li\u003e\n\u003cli\u003eThe attacker delivers the malicious .aep file to a victim, likely through email or file sharing.\u003c/li\u003e\n\u003cli\u003eThe victim opens the malicious .aep file using a vulnerable version of Adobe After Effects (26.0, 25.6.4, or earlier).\u003c/li\u003e\n\u003cli\u003eAfter Effects processes the crafted file, leading to the out-of-bounds write condition during parsing.\u003c/li\u003e\n\u003cli\u003eThe out-of-bounds write corrupts memory, potentially overwriting critical data structures.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the memory corruption to inject and execute arbitrary code.\u003c/li\u003e\n\u003cli\u003eThe injected code executes within the context of the After Effects process, inheriting the user\u0026rsquo;s privileges.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the system, enabling them to perform actions such as installing malware, stealing data, or further compromising the network.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-34643 allows for arbitrary code execution on the victim\u0026rsquo;s system. This can result in complete system compromise, data theft, malware installation, and further propagation of the attack within an organization. Given the popularity of After Effects in creative industries, a successful attack could have widespread consequences.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade to a version of Adobe After Effects that is not affected by CVE-2026-34643.\u003c/li\u003e\n\u003cli\u003eExercise caution when opening After Effects project files (.aep) from untrusted sources, as exploitation requires user interaction.\u003c/li\u003e\n\u003cli\u003eMonitor process creation events for suspicious child processes spawned by After Effects using process creation logs to detect potential exploitation, as outlined in the provided Sigma rules.\u003c/li\u003e\n\u003cli\u003eConsider implementing application control policies to restrict the execution of unauthorized code within the After Effects process.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:27:12Z","date_published":"2026-05-12T18:27:12Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34643-after-effects-oob-write/","summary":"Adobe After Effects versions 26.0, 25.6.4, and earlier are susceptible to an out-of-bounds write vulnerability, potentially leading to arbitrary code execution when a user opens a malicious file.","title":"CVE-2026-34643: Adobe After Effects Out-of-Bounds Write Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34643-after-effects-oob-write/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-34643","version":"https://jsonfeed.org/version/1.1"}