Bulletin ID
Last updated on
Sep 22, 2026
Security Update Available for Adobe InDesign | APSB26-145
|
|
Date Published |
Priority |
|---|---|---|
|
APSB26-145 |
September 22, 2026 |
3 |
Summary
Adobe has released a security update for Adobe InDesign. This update addresses an important vulnerabilities that could result in application denial-of-service.
Adobe is not aware of any exploits in the wild for any of the issues addressed in this update.
Affected Versions
|
Product |
Affected version |
Platform |
|
Adobe InDesign |
ID21.5 and earlier versions |
Windows and macOS |
|
Adobe InDesign |
ID20.5.4 and earlier versions |
Windows and macOS |
Solution
Adobe categorizes these updates with the following priority rating and recommends users update their software installations via the Creative Cloud desktop app updater, or by navigating to the InDesign Help menu and clicking "Updates." For more information, please reference this help page.
|
Product |
Updated version |
Platform |
Priority rating |
|
Adobe InDesign |
ID21.6 |
Windows and macOS |
3 |
|
Adobe InDesign |
ID20.5.5 |
Windows and macOS |
3 |
For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages. Refer to this help page for more information.
Vulnerability Details
| Vulnerability Category |
Vulnerability Impact |
Severity |
CVSS base score |
CVSS vector |
CVE Number |
NULL Pointer Dereference (CWE-476) |
Application denial-of-service |
Important |
5.5 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
CVE-2026-84396 |
NULL Pointer Dereference (CWE-476) |
Application denial-of-service |
Important |
5.5 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
CVE-2026-76192 |
Note
Effective August 11, 2026, Adobe may assign a single CVE identifier to internally discovered vulnerabilities with the same severity rating and CWE category when a release includes systemic fixes.
Acknowledgments
Adobe would like to thank the following researchers for reporting these issues and for working with Adobe to help protect our customers:
- Francis provencher (prl) — CVE-2026-76192, CVE-2026-84396
For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com
