---
id: "CVE-2026-113517"
page: "https://infrastack.ai/live/CVE-2026-113517"
kind: "vulnerability"
aliases: ["CVE-2026-113517"]
title: "Adobe After Effects: out-of-bounds write when opening a malicious file allows code execution (fixed in 26.5.3 and 27.0)"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "After Effects", "fixed": ["26.5.3", "27.0"], "affected": "<= 26.5, <= 25.6.6", "ecosystem": "vendor"}]
ecosystems: []
tags: ["adobe", "after-effects", "creative-software", "desktop", "macos", "other", "windows"]
not_affected_if: ["after-effects-26.5.3-or-later", "after-effects-27.0-or-later", "no-untrusted-files-opened"]
published_at: "2026-11-10T21:18:43+00:00"
first_seen_at: "2026-11-10T21:46:09+00:00"
updated_at: "2026-11-10T22:01:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113517", "first_seen_at": "2026-11-10T21:46:09+00:00"}, {"source": "analyst", "url": "https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html", "first_seen_at": "2026-11-10T22:01:26+00:00", "cites": ["https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html"]}]
exploit_sources: []
---

# Adobe After Effects: out-of-bounds write when opening a malicious file allows code execution (fixed in 26.5.3 and 27.0)

Link for people: https://infrastack.ai/live/CVE-2026-113517 (this .md is for agents)

Adobe After Effects has an out-of-bounds write flaw. A victim who opens a malicious file can have arbitrary code run in the context of their current user.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:After Effects affected <= 26.5, <= 25.6.6 fixed 26.5.3, 27.0

## How to check

Open After Effects, Help > About After Effects (macOS: After Effects > About). Exposed if the version is 26.5 or earlier (26.x) or 25.6.6 or earlier. Fixed at 26.5.3 or 27.0. Also check the Creative Cloud desktop app for installed versions.

## Fix

Update After Effects to 26.5.3 (26.x line) or 27.0 via Creative Cloud desktop app; no fix is listed for 25.x in the bulletin beyond moving to 26.5.3 or 27.0.

## Timeline

- 2026-11-10T21:46:09+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113517
- 2026-11-10T22:01:26+00:00 analyst https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html — Read Adobe APSB26-100 (Nov 10 2026): affected <=26.5 and <=25.6.6, fixed 26.5.3 / 27.0; no known exploitation per Adobe. No PoC/discussion sought (B tier, routine).

## Documents

- [advisory] Adobe APSB26-100: Security update available for Adobe After Effects https://www.adobe.com/trust/security/products/after-effects/apsb26-100.html

## From the sources

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.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_