CVE-2026-34661: Out-of-bounds Write (CWE-787) in Adobe Illustrator
Adobe Illustrator versions 29.8.6, 30.3, and earlier contain an out-of-bounds write vulnerability that can lead to arbitrary code execution with the privileges of the current user. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability is tracked as CVE-2026-34661 and is rated high severity with a CVSS score of 7.8. No official patch or remediation guidance is currently provided by Adobe. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-34661 is an out-of-bounds write vulnerability (CWE-787) affecting Adobe Illustrator versions 29.8.6, 30.3, and earlier. This flaw allows an attacker to execute arbitrary code within the context of the current user if the victim opens a crafted malicious file. The vulnerability requires user interaction and has a high impact on confidentiality, integrity, and availability as indicated by its CVSS vector (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). No patch or official remediation level has been disclosed yet.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially leading to full compromise of the affected system's user context. The vulnerability affects confidentiality, integrity, and availability at a high level. However, exploitation requires user interaction (opening a malicious file), and no active exploits are currently known.
Mitigation Recommendations
Patch status is not yet confirmed — check the Adobe advisory for current remediation guidance. Until a patch is available, users should exercise caution when opening files from untrusted sources and consider restricting access to Illustrator or running it in a controlled environment.
CVE-2026-34661: Out-of-bounds Write (CWE-787) in Adobe Illustrator
Description
Adobe Illustrator versions 29.8.6, 30.3, and earlier contain an out-of-bounds write vulnerability that can lead to arbitrary code execution with the privileges of the current user. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability is tracked as CVE-2026-34661 and is rated high severity with a CVSS score of 7.8. No official patch or remediation guidance is currently provided by Adobe. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34661 is an out-of-bounds write vulnerability (CWE-787) affecting Adobe Illustrator versions 29.8.6, 30.3, and earlier. This flaw allows an attacker to execute arbitrary code within the context of the current user if the victim opens a crafted malicious file. The vulnerability requires user interaction and has a high impact on confidentiality, integrity, and availability as indicated by its CVSS vector (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). No patch or official remediation level has been disclosed yet.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially leading to full compromise of the affected system's user context. The vulnerability affects confidentiality, integrity, and availability at a high level. However, exploitation requires user interaction (opening a malicious file), and no active exploits are currently known.
Mitigation Recommendations
Patch status is not yet confirmed — check the Adobe advisory for current remediation guidance. Until a patch is available, users should exercise caution when opening files from untrusted sources and consider restricting access to Illustrator or running it in a controlled environment.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.493Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a036fc8cbff5d86100cc458
Added to database: 05/12/2026, 18:22:00 UTC
Last enriched: 05/19/2026, 18:52:34 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 134
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