After Effects 25.6.4 — CraftedSignal Threat Feedhttps://feed.craftedsignal.io/products/after-effects-25.6.4/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioTue, 12 May 2026 18:27:29 +0000CVE-2026-34644: Adobe After Effects Integer Overflow Vulnerabilityhttps://feed.craftedsignal.io/briefs/2026-05-cve-2026-34644-after-effects-integer-overflow/Tue, 12 May 2026 18:27:29 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-05-cve-2026-34644-after-effects-integer-overflow/Adobe After Effects versions 26.0, 25.6.4 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user if a victim opens a malicious file.Adobe After Effects versions 26.0, 25.6.4, and earlier are susceptible to an integer overflow or wraparound vulnerability, as detailed in CVE-2026-34644. This vulnerability could allow an attacker to execute arbitrary code within the context of the current user. Successful exploitation requires user interaction, specifically the opening of a specially crafted, malicious file within After Effects. This vulnerability poses a significant risk to users who regularly handle project files from untrusted sources, as successful exploitation could lead to system compromise.

Attack Chain

  1. Attacker crafts a malicious Adobe After Effects project file (.aep or similar) designed to trigger an integer overflow during processing.
  2. The attacker distributes the malicious file to the victim, potentially through phishing, social engineering, or other means.
  3. The victim, unaware of the threat, opens the malicious file using a vulnerable version of Adobe After Effects (<= 26.0, 25.6.4).
  4. During file parsing, the integer overflow occurs, leading to memory corruption.
  5. The memory corruption allows the attacker to overwrite critical data structures within the After Effects process.
  6. The attacker leverages the corrupted memory to inject and execute arbitrary code.
  7. The attacker’s code executes within the context of the current user, granting them the same privileges.
  8. The attacker can then perform malicious actions such as installing malware, stealing data, or gaining persistent access to the system.

Impact

Successful exploitation of CVE-2026-34644 allows for arbitrary code execution within the context of the user running After Effects. The vulnerability requires user interaction, limiting the scale of potential attacks. However, if successful, attackers can gain complete control over the user’s system, potentially leading to data theft, malware installation, or further network compromise. Targeted attacks against individuals in creative fields could result in significant financial and reputational damage.

Recommendation

  • Upgrade Adobe After Effects to a version beyond 26.0 or 25.6.4 to patch CVE-2026-34644 as recommended by Adobe.
  • Educate users about the risks of opening files from untrusted sources to mitigate the user interaction component.
  • Deploy the Sigma rule “Detect Suspicious After Effects File Opening” to identify potential exploitation attempts by monitoring process creations related to After Effects opening unusual files.
  • Consider using application control solutions to restrict the execution of unauthorized code within the After Effects process to limit the impact of successful exploitation.
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