Heap-based Buffer Overflow in Adobe InDesign Desktop
CVE-2026-34699

7.8HIGH

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
9 June 2026

What is CVE-2026-34699?

Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier are impacted by a heap-based buffer overflow. This vulnerability allows for arbitrary code execution within the context of the affected user. To exploit this flaw, an attacker must entice the user to open a specially crafted malicious file.

Affected Version(s)

InDesign Desktop 0 <= 20.5.3

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

.