CVE-2026-34697: InDesign Desktop | Stack-based Buffer Overflow (CWE-121)

Published Jun 9, 2026
·
Updated

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Stack-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 Software

5 affected components
Adobe InDesign Desktop=21.3, <=20.5.3
All of the following
Any of the following
Adobe InDesign<20.5.4
Adobe InDesign>=21.0<21.4
Any of the following
Apple macOS
Microsoft Windows

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Do not open InDesign files from untrusted or unknown sources; treat received InDesign files as potentially malicious because exploitation requires a victim to open a malicious file.

Event History

Jun 9, 2026
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-34697?

The severity of CVE-2026-34697 is rated as high with a score of 7.8.

2

How do I fix CVE-2026-34697?

To fix CVE-2026-34697, update Adobe InDesign to the latest version as recommended by the vendor.

3

What systems are affected by CVE-2026-34697?

CVE-2026-34697 affects Adobe InDesign versions 21.3, 20.5.3, and earlier.

4

What risk does CVE-2026-34697 pose?

CVE-2026-34697 poses a risk of arbitrary code execution, which can compromise the security of the affected system.

5

What kind of vulnerability is CVE-2026-34697?

CVE-2026-34697 is a stack-based buffer overflow vulnerability classified under CWE-121.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203