CVE-2026-34699: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
AI Analysis
Technical Summary
CVE-2026-34699 is a heap-based buffer overflow vulnerability affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. Successful exploitation requires a victim to open a malicious file, which could lead to arbitrary code execution within the context of the current user. The vulnerability is classified under CWE-122 and has a CVSS v3.1 score of 7.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed at this time.
Potential Impact
Exploitation of this vulnerability can result in arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction, specifically opening a malicious file, which limits the attack vector to social engineering or targeted delivery methods.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening files from untrusted sources. No official remediation or temporary fix has been published by Adobe at this time.
CVE-2026-34699: Heap-based Buffer Overflow (CWE-122) in Adobe InDesign Desktop
Description
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34699 is a heap-based buffer overflow vulnerability affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. Successful exploitation requires a victim to open a malicious file, which could lead to arbitrary code execution within the context of the current user. The vulnerability is classified under CWE-122 and has a CVSS v3.1 score of 7.8, reflecting high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed at this time.
Potential Impact
Exploitation of this vulnerability can result in arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction, specifically opening a malicious file, which limits the attack vector to social engineering or targeted delivery methods.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening files from untrusted sources. No official remediation or temporary fix has been published by Adobe at this time.
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: 6a286c648dd33fbd857435ee
Added to database: 06/09/2026, 19:41:24 UTC
Last enriched: 06/09/2026, 19:57:31 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 65
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