CVE-2026-34687: Heap-based Buffer Overflow (CWE-122) in Adobe Illustrator
A heap-based buffer overflow vulnerability (CWE-122) exists in Adobe Illustrator versions 29.8.6, 30.3, and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the victim opens a specially crafted malicious file. Exploitation requires user interaction. The vulnerability has a high severity rating with a CVSS score of 7.8.
AI Analysis
Technical Summary
CVE-2026-34687 is a heap-based buffer overflow vulnerability affecting Adobe Illustrator versions 29.8.6, 30.3, and earlier. The vulnerability allows arbitrary code execution in the context of the current user upon opening a malicious file, requiring user interaction. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed at this time, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. Since user interaction is required, the risk is mitigated by user caution but remains significant due to the high severity rating.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid opening files from untrusted sources and apply general caution when handling Illustrator files.
CVE-2026-34687: Heap-based Buffer Overflow (CWE-122) in Adobe Illustrator
Description
A heap-based buffer overflow vulnerability (CWE-122) exists in Adobe Illustrator versions 29.8.6, 30.3, and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the victim opens a specially crafted malicious file. Exploitation requires user interaction. The vulnerability has a high severity rating with a CVSS score of 7.8.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34687 is a heap-based buffer overflow vulnerability affecting Adobe Illustrator versions 29.8.6, 30.3, and earlier. The vulnerability allows arbitrary code execution in the context of the current user upon opening a malicious file, requiring user interaction. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed at this time, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. Since user interaction is required, the risk is mitigated by user caution but remains significant due to the high severity rating.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid opening files from untrusted sources and apply general caution when handling Illustrator files.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.496Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a036fcccbff5d86100cc523
Added to database: 05/12/2026, 18:22:04 UTC
Last enriched: 05/19/2026, 18:55:12 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 60
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