Heap-based buffer overflow in Adobe Illustrator - CVE-2026-34687
Published: May 18, 2026
Vulnerability identifier: #VU131765
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-34687
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Adobe
Affected software:
Adobe Illustrator
Adobe Illustrator
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to heap-based buffer overflow in Adobe Illustrator when parsing a crafted file. A remote attacker can trick the victim into opening a specially crafted file to execute arbitrary code.
User interaction is required to open a crafted file.
How to mitigate CVE-2026-34687
Install security update from vendor's website.