CVE-2026-34701: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
A heap-based buffer overflow vulnerability exists in Adobe InDesign Desktop versions 21. 3, 20. 5. 3, and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the user 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-2026-34701 is a heap-based buffer overflow vulnerability affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. The vulnerability could lead to arbitrary code execution in the context of the current user upon opening a malicious file. The attack vector requires local user interaction (opening a crafted file). The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially compromising system confidentiality, integrity, and availability. Since exploitation requires user interaction, the risk is limited to scenarios where a user opens a malicious file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid opening files from untrusted sources and apply standard security best practices to limit exposure.
CVE-2026-34701: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
Description
A heap-based buffer overflow vulnerability exists in Adobe InDesign Desktop versions 21. 3, 20. 5. 3, and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the user 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34701 is a heap-based buffer overflow vulnerability affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. The vulnerability could lead to arbitrary code execution in the context of the current user upon opening a malicious file. The attack vector requires local user interaction (opening a crafted file). The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary, with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially compromising system confidentiality, integrity, and availability. Since exploitation requires user interaction, the risk is limited to scenarios where a user opens a malicious file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid opening files from untrusted sources and apply standard security best practices to limit exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.498Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a28f1e98dd33fbd85e9444d
Added to database: 6/10/2026, 5:11:05 AM
Last enriched: 6/10/2026, 5:28:53 AM
Last updated: 6/10/2026, 6:37:33 AM
Views: 4
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