# CVE-2026-113534: Adobe After Effects improper input validation arbitrary code execution

Source: https://junglewise.ai/threats/cve-2026-113534-after-effects-is-affected-by-an-improper-input-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-113534 · Severity: high · CVSS 8.6 · Published 2026-11-10

Adobe After Effects, a professional video composition and effects software, contains multiple improper input validation vulnerabilities that could allow an attacker to execute arbitrary code on a user's system. An attacker can exploit these flaws by crafting a malicious file and tricking a user into opening it, potentially leading to complete system compromise including data theft and malware installation.

Technologies: [Adobe After Effects](https://junglewise.ai/threats/technologies/after-effects). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-113534 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-113534 being exploited in the wild.

**How severe is CVE-2026-113534?** High severity, with a CVSS score of 8.6, published 10 November 2026.

**Which products and versions are affected?** Adobe After Effects 26.5 and earlier.

**Is there a fix for CVE-2026-113534?** Yes: fixed in After Effects 27.0 or 26.5.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-113534 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-113534?** Check whether you run Adobe After Effects at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in After Effects 27.0 or 26.5.3

## Technical details

CVE-2026-113534 is an improper input validation flaw (CWE-20) in After Effects that requires user interaction to open a malicious file. The vulnerability allows arbitrary code execution in the context of the current user with a CVSS score of 8.6, indicating high severity. The advisory references multiple related vulnerabilities across the product that collectively expose buffer overflow, path traversal, and memory access flaws.

## Affected products

- Adobe After Effects 26.5 and earlier

## Timeline

- 2026-11-10: advisory

## References

- [https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html](https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html)

## Related threats

- [Adobe After Effects heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-123263-after-effects-is-affected-by-a-heap-based-buffer-overflow)
- [Adobe After Effects out-of-bounds write vulnerability](https://junglewise.ai/threats/cve-2026-113538-after-effects-is-affected-by-an-out-of-bounds-write)
- [Adobe After Effects out-of-bounds write arbitrary code execution](https://junglewise.ai/threats/cve-2026-113536-after-effects-is-affected-by-an-out-of-bounds-write)
- [Adobe After Effects path traversal in file handling](https://junglewise.ai/threats/cve-2026-113532-after-effects-is-affected-by-an-improper-limitation-of-a)
- [Adobe After Effects out-of-bounds write in memory parsing](https://junglewise.ai/threats/cve-2026-113530-after-effects-is-affected-by-an-out-of-bounds-write)