---
id: CVE-2026-34643
title: >-
  After Effects versions 26.0, 25.6.4 and earlier are affected by an
  out-of-bounds write vulnerability that could result in arbitrary code
  execution in the context of the current user
summary: >-
  After Effects versions 26.0, 25.6.4 and earlier are 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 i…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: adobe
product: after_effects
affected:
  - after_effects < 25.6.5
  - after_effects = 26.0
patched:
  - after_effects 25.6.5
published: '2026-05-12'
updated: '2026-08-27'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34643'
references:
  - url: 'https://helpx.adobe.com/security/products/after_effects/apsb26-48.html'
    label: psirt@adobe.com
tags:
  - nvd
epss: 0.00148
epssPercentile: 0.04424
ingestedAt: '2026-08-27T18:06:11.700Z'
---

## Overview

After Effects versions 26.0, 25.6.4 and earlier are 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.

## Affected

- `after_effects < 25.6.5`
- `after_effects = 26.0`

## Remediation

Upgrade past the affected range:

- `after_effects 25.6.5`