Adobe After Effects: Stack-based Buffer Overflow allows code execution
Summary
A stack-based buffer overflow (CWE-121) in Adobe After Effects can lead to arbitrary code execution in the context of the current user. An attacker needs the victim to open a malicious file, for example a phishing attachment or a shared project file. The vulnerability is rated High with a CVSS 3.1 base score of 7.8.
Affected
- Adobe After Effects 26.5 and earlier (Windows and macOS)
- Adobe After Effects 25.6.6 and earlier (Windows and macOS)
Fixed in
- Adobe After Effects 26.5.3 (26.x branch)
- Adobe After Effects 27.0 (25.x branch)
Workaround
Unknown. No vendor workaround is documented in the sources; updating is the remedy.
- Until the update is installed, do not open project files or assets from untrusted sources.
Exploitation
- ZDI lists bulletin APSB26-100 as not exploited.
- Adobe states it is not aware of any exploits in the wild for the issues in this update.
- The CVE record lists KEV: No.
- No public proof of concept was found.
Our recommendation
- Confirm the installed After Effects version on each workstation.
- Update to 26.5.3 (26.x) or 27.0 (25.x) through the Creative Cloud desktop app or the Adobe Download Center, with priority for systems that handle files from external parties.
- Until patched, avoid opening untrusted files on affected systems.
- Check whether the installation is exposed to untrusted files from email or shared storage.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-100 www.adobe.com
- CVE Record CVE-2026-113512 (CNA: Adobe) www.cve.org
- ZDI: November 2026 Security Update Review www.zerodayinitiative.com
- Adobe After Effects release notes helpx.adobe.com
- Strix CVE-2026-113512 (mirror) www.strix.ai
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 11 Nov 2026, 02:16.
Original description (NVD)
After Effects is affected by a Stack-based Buffer Overflow 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.
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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