Heap-based Buffer Overflow in InDesign Desktop by Adobe
CVE-2026-34629

7.8HIGH

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
14 April 2026

What is CVE-2026-34629?

InDesign Desktop versions 20.5.2, 21.2 and earlier versions contain a Heap-based Buffer Overflow vulnerability. This flaw allows an attacker to execute arbitrary code on a victim's system, potentially compromising the security and integrity of the user's data. Successful exploitation necessitates that the targeted individual open a specifically crafted malicious file, highlighting the importance of exercising caution when handling unknown documents. Users should ensure their software is updated to the latest versions to mitigate this risk.

Affected Version(s)

InDesign Desktop 0 <= 21.2

References

https://helpx.adobe.com/security/products/indesign/apsb26...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.