Heap-based Buffer Overflow in Adobe Illustrator Affects Multiple Versions
CVE-2026-34687

7.8HIGH

Key Information:

Vendor

Adobe
Status
Illustrator Desktop 2026
Illustrator Desktop 2025
Vendor
CVE Published:
12 May 2026

What is CVE-2026-34687?

A heap-based buffer overflow vulnerability exists in Adobe Illustrator, affecting versions 29.8.6 and earlier. This flaw allows for potential arbitrary code execution in the context of the current user. Exploitation of the vulnerability necessitates user interaction; specifically, a user must open a specially-crafted malicious file to trigger the issue.

Affected Version(s)

Illustrator Desktop 2025 0 <= 29.8.6

Illustrator Desktop 2026 0 <= 30.3

Illustrator Desktop 2025 29.8.7

References

https://helpx.adobe.com/security/products/illustrator/aps...
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

.