CVE-2026-34702: Stack-based Buffer Overflow (CWE-121) in Adobe InDesign Desktop
A stack-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 victim opens a specially crafted malicious file. User interaction is required for exploitation. The vulnerability has a high severity rating with a CVSS score of 7. 8.
AI Analysis
Technical Summary
CVE-2026-34702 is a stack-based buffer overflow vulnerability (CWE-121) affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. Successful exploitation requires user interaction, specifically opening a malicious file, which may lead to arbitrary code execution in the context of the current user. The vulnerability has a CVSS v3.1 base score of 7.8, indicating high severity. No official patch or remediation level has been provided in the available data, and no known exploits are reported in the wild at this time.
Potential Impact
If exploited, this vulnerability could allow an attacker to execute arbitrary code with the privileges of the user running Adobe InDesign Desktop. This could lead to full compromise of the user's environment depending on their privileges. Exploitation requires the victim to open a malicious file, so social engineering or phishing may be involved.
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 or unknown sources to mitigate the risk of exploitation.
CVE-2026-34702: Stack-based Buffer Overflow (CWE-121) in Adobe InDesign Desktop
Description
A stack-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 victim opens a specially crafted malicious file. User interaction is required for exploitation. 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-2026-34702 is a stack-based buffer overflow vulnerability (CWE-121) affecting Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier. Successful exploitation requires user interaction, specifically opening a malicious file, which may lead to arbitrary code execution in the context of the current user. The vulnerability has a CVSS v3.1 base score of 7.8, indicating high severity. No official patch or remediation level has been provided in the available data, and no known exploits are reported in the wild at this time.
Potential Impact
If exploited, this vulnerability could allow an attacker to execute arbitrary code with the privileges of the user running Adobe InDesign Desktop. This could lead to full compromise of the user's environment depending on their privileges. Exploitation requires the victim to open a malicious file, so social engineering or phishing may be involved.
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 or unknown sources to mitigate the risk of exploitation.
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: 6a28f1e98dd33fbd85e94450
Added to database: 6/10/2026, 5:11:05 AM
Last enriched: 6/10/2026, 5:28:04 AM
Last updated: 6/10/2026, 6:37:31 AM
Views: 4
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