---
id: "CVE-2026-113547"
page: "https://infrastack.ai/live/CVE-2026-113547"
kind: "vulnerability"
aliases: ["CVE-2026-113547"]
title: "Adobe Media Encoder: out-of-bounds write lets a malicious file run code"
severity: "high"
cvss: 7.8
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "Adobe Media Encoder", "fixed": ["27.0", "26.5.3"], "affected": "<= 26.5.2, <= 25.6.6", "ecosystem": "vendor"}]
ecosystems: []
tags: ["adobe-media-encoder", "creative-cloud", "macos", "other", "user-interaction", "windows"]
not_affected_if: ["no-untrusted-files", "patched-26.5.3", "patched-27.0"]
published_at: "2026-11-10T21:18:48+00:00"
first_seen_at: "2026-11-10T21:46:10+00:00"
updated_at: "2026-11-10T21:56:44+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113547", "first_seen_at": "2026-11-10T21:46:10+00:00"}, {"source": "analyst", "url": "https://www.adobe.com/trust/security/products/media-encoder/apsb26-103.html", "first_seen_at": "2026-11-10T21:56:44+00:00", "cites": ["https://www.adobe.com/trust/security/products/media-encoder/apsb26-103.html"]}]
exploit_sources: []
---

# Adobe Media Encoder: out-of-bounds write lets a malicious file run code

Link for people: https://infrastack.ai/live/CVE-2026-113547 (this .md is for agents)

Adobe Media Encoder has an out-of-bounds write (CWE-787, CVSS 7.8) that runs code as the current user when someone opens a crafted file. Fixed in APSB26-103; Adobe knows of no exploitation.

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

## Affected

- vendor:Adobe Media Encoder affected <= 26.5.2, <= 25.6.6 fixed 27.0, 26.5.3

## How to check

Open Adobe Media Encoder, Help > About (or Creative Cloud desktop app). Affected: 26.5.2 and earlier, or 25.6.6 and earlier. Fixed: 27.0 or 26.5.3.

## Fix

Update Adobe Media Encoder to 27.0 (or 26.5.3 on the 26.x line; 25.6.6 and earlier also listed as affected, Adobe lists 27.0 and 26.5.3 as updated versions) via the Download Center.

## Timeline

- 2026-11-10T21:46:10+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113547
- 2026-11-10T21:56:44+00:00 analyst https://www.adobe.com/trust/security/products/media-encoder/apsb26-103.html — Adobe APSB26-103 (Nov 10 2026) read directly: affected 26.5.2 and earlier, 25.6.6 and earlier; fixed 27.0 / 26.5.3; no known exploitation.

## Documents

- [advisory] Adobe Security Bulletin APSB26-103: Media Encoder https://www.adobe.com/trust/security/products/media-encoder/apsb26-103.html

## From the sources

Media Encoder 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_