Heap-based buffer overflow in Adobe InDesign - CVE-2026-27286
Published: April 15, 2026
Vulnerability identifier: #VU126086
CSH Severity: Medium
CVSS v4: 6.7 [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]
CVE-ID: CVE-2026-27286
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger a heap-based buffer overflow and read contents of memory on the system.
Affected software
Adobe InDesign
How to mitigate CVE-2026-27286
Install updates from vendor's website.
Adobe InDesign - addressed in versions 20.5.3, 21.3