CVE-2026-34701: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
Adobe InDesign Desktop versions up to 21.3 and 20.5.3 are affected by a heap-based buffer overflow vulnerability. This flaw can lead to arbitrary code execution with the privileges of the current user. Exploitation requires user interaction, specifically opening a malicious file. 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 in Adobe InDesign Desktop affecting versions up to 21.3 and 20.5.3. Successful exploitation allows an attacker to execute arbitrary code in the context of the current user. The attack vector requires local access and user interaction, as the victim must open a crafted malicious file. The vulnerability is classified under CWE-122. No official patch or remediation level has been published yet.
Potential Impact
An attacker who convinces a user to open a malicious file in affected versions of Adobe InDesign Desktop could execute arbitrary code with the user's privileges. This could lead to full compromise of the user's environment depending on their permissions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening files from untrusted sources and apply any recommended security best practices from Adobe.
CVE-2026-34701: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
Description
Adobe InDesign Desktop versions up to 21.3 and 20.5.3 are affected by a heap-based buffer overflow vulnerability. This flaw can lead to arbitrary code execution with the privileges of the current user. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability has a high severity rating with a CVSS score of 7.8.
CVSS v3.1
Score 7.8high
Affected software
pkg:github/adobe/indesign-desktopRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34701 is a heap-based buffer overflow vulnerability in Adobe InDesign Desktop affecting versions up to 21.3 and 20.5.3. Successful exploitation allows an attacker to execute arbitrary code in the context of the current user. The attack vector requires local access and user interaction, as the victim must open a crafted malicious file. The vulnerability is classified under CWE-122. No official patch or remediation level has been published yet.
Potential Impact
An attacker who convinces a user to open a malicious file in affected versions of Adobe InDesign Desktop could execute arbitrary code with the user's privileges. This could lead to full compromise of the user's environment depending on their permissions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening files from untrusted sources and apply any recommended security best practices from Adobe.
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: 06/10/2026, 05:11:05 UTC
Last enriched: 06/17/2026, 09:23:42 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 132
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