---
id: CVE-2026-27238
title: >-
  InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a
  Heap-based Buffer Overflow vulnerability that could result in arbitrary code
  execution in the context of the current user
summary: >-
  InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a
  Heap-based Buffer Overflow vulnerability that could result in arbitrary code
  execution in the context of the current user. Exploitation of this issue
  requires user inte…
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-122
  - CWE-79
vendor: adobe
product: indesign
affected:
  - indesign < 20.5.3
  - 'indesign >= 21.0, < 21.3'
patched:
  - indesign 21.3
published: '2026-04-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T18:17:08.797'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-27238'
references:
  - url: 'https://helpx.adobe.com/security/products/indesign/apsb26-32.html'
    label: psirt@adobe.com
  - url: >-
      https://helpx.adobe.com/security/products/experience-manager/apsb26-98.html
    label: psirt@adobe.com
tags:
  - nvd
  - cve.org
  - score-dispute
epss: 0.00337
epssPercentile: 0.24466
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-04-14T00:00:00+00:00'
scores:
  nvd: 5.4
  cna: 7.8
ingestedAt: '2026-09-08T20:10:03.219Z'
---

## Overview

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow 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

- `indesign < 20.5.3`
- `indesign >= 21.0, < 21.3`

## Remediation

Upgrade past the affected range:

- `indesign 21.3`