CVE-2026-27291
Received Received - Intake

Out-of-Bounds Write in Adobe InDesign Enables Code Execution

Vulnerability report for CVE-2026-27291, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-04-14

Last updated on: 2026-04-16

Assigner: Adobe Systems Incorporated

Description

InDesign Desktop versions 20.5.2, 21.2 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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-04-14
Last Modified
2026-04-16
Generated
2026-07-06
AI Q&A
2026-04-14
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
adobe indesign to 20.5.3 (exc)
adobe indesign From 21.0 (inc) to 21.3 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability affects Adobe InDesign Desktop versions 20.5.2, 21.2 and earlier. It is an out-of-bounds write vulnerability, which means that the software writes data outside the boundaries of allocated memory. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user.

Exploitation requires user interaction, specifically that the victim must open a malicious file crafted to trigger this vulnerability.

Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution in the context of the current user. This means an attacker could run malicious code on your system with your user privileges.

  • Potential impacts include data theft, installation of malware, or unauthorized actions performed on your system.
  • Since the attack requires user interaction (opening a malicious file), social engineering techniques might be used to trick users.
Mitigation Strategies

To mitigate this vulnerability, ensure that you do not open malicious files in affected versions of Adobe InDesign Desktop (versions 20.5.2, 21.2 and earlier).

Consider updating Adobe InDesign Desktop to a version later than 21.2 if available, as the vulnerability affects versions 21.2 and earlier.

Avoid opening files from untrusted sources to prevent exploitation requiring user interaction.

Compliance Impact

This vulnerability allows for arbitrary code execution in the context of the current user after opening a malicious file, which could potentially lead to unauthorized access or data compromise.

Such unauthorized access or data compromise could impact compliance with standards and regulations like GDPR and HIPAA, which require protection of sensitive personal and health information.

However, exploitation requires user interaction, which may limit the risk depending on the environment and user behavior.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-27291. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart