Bulletin ID
Last updated on
Apr 14, 2026
Security Update Available for Adobe InDesign | APSB26-32
|
|
Date Published |
Priority |
|---|---|---|
|
APSB26-32 |
April 14, 2026 |
3 |
Summary
Adobe has released a security update for Adobe InDesign. This update addresses critical and important vulnerabilities that could lead to arbitrary code execution, application denial-of-service, and memory exposure.
Adobe is not aware of any exploits in the wild for any of the issues addressed in these updates.
Affected Versions
|
Product |
Affected version |
Platform |
|
Adobe InDesign |
ID21.2 and earlier versions |
Windows and macOS |
|
Adobe InDesign |
ID20.5.2 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 |
ID21.3 |
Windows and macOS |
3 |
|
Adobe InDesign |
ID20.5.3 |
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 |
CVE Number |
|
|---|---|---|---|---|---|
|
Use After Free (CWE-416) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-27283 |
|
Out-of-bounds Read (CWE-125) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-27284 |
|
Out-of-bounds Write (CWE-787) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-27291 |
|
Heap-based Buffer Overflow (CWE-122) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-34627 |
|
Heap-based Buffer Overflow (CWE-122) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-34628 |
|
Heap-based Buffer Overflow (CWE-122) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-34629 |
|
Heap-based Buffer Overflow (CWE-122) |
Arbitrary code execution |
Critical |
7.8 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVE-2026-27238 |
|
Heap-based Buffer Overflow (CWE-122) |
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-2026-27285 |
|
Heap-based Buffer Overflow (CWE-122) |
Memory exposure |
Important |
5.5 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
CVE-2026-27286 |
Acknowledgments
Adobe would like to thank the following researchers for reporting these issues and for working with Adobe to help protect our customers:
- yjdfy -- CVE-2026-27283, CVE-2026-27284
- Francis Provencher (prl) -- CVE-2026-27285, CVE-2026-27286, CVE-2026-27238, CVE-2026-34627, CVE-2026-34628, CVE-2026-34629
- jony_juice -- CVE-2026-27291
NOTE: Adobe has a public bug bounty program with HackerOne. If you are interested in working with Adobe as an external security researcher, please check out https://hackerone.com/adobe
For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com
