SB20260518101 - Multiple vulnerabilities in Adobe Illustrator
Published: May 18, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 vulnerabilities.
1) Out-of-bounds write (CVE-ID: CVE-2026-34661)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 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
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to out-of-bounds write 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.
2) NULL pointer dereference (CVE-ID: CVE-2026-34662)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to null pointer dereference in Adobe Illustrator when parsing a crafted file. A remote attacker can trick the victim into opening a specially crafted file to cause a denial of service.
User interaction is required to open a crafted file.
3) Out-of-bounds read (CVE-ID: CVE-2026-34663)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to out-of-bounds read in Adobe Illustrator when parsing a crafted file. A remote attacker can trick the victim into opening a specially crafted file to disclose sensitive information.
User interaction is required to open a crafted file.
4) Heap-based buffer overflow (CVE-ID: CVE-2026-34687)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 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
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.
Remediation
Install update from vendor's website.