Adobe After Effects: Out-of-bounds write allows code execution
Summary
An out-of-bounds write in Adobe After Effects can lead to arbitrary code execution in the context of the current user. An attacker must convince a victim to open a malicious file, for example a project file received by email or downloaded from an unknown source. The issue is rated High (CVSS 7.8) and is addressed in Adobe security bulletin APSB26-100.
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 or later for the 26.x line
- Adobe After Effects 27.0 for the 25.x line (the 25.x line is fixed by moving to 27.0, not by a 25.6.x patch)
Workaround
Unknown. No vendor-documented workaround was found; apply the update.
Exploitation
- Adobe states it is not aware of any exploits in the wild for the issues in APSB26-100.
- CISA SSVC assessment: exploitation none, automatable no, technical impact total.
- No public proof-of-concept found.
Our recommendation
- Check the installed After Effects version on all creative workstations and compare it with the affected ranges.
- Update to 26.5.3 or later on the 26.x line, or to 27.0 on the 25.x line, on the normal patch cycle, after verifying the versions in APSB26-100.
- Instruct staff not to open unexpected project files or archives from email or unknown sources, and share project files through a controlled channel.
- Monitor for vendor updates and new exploitation reports.
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-2026-113525 (CNA: Adobe) www.cve.org
- Zero Day Initiative: The November 2026 Security Update Review www.zerodayinitiative.com
- Strix CVE mirror CVE-2026-113525 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 an out-of-bounds write 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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