CVE-2026-27285: Adobe Indesign

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application or disrupt its functionality. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Indesign: before 20.5.3 (fixed in 20.5.3); from 21.0, before 21.3 (fixed in 21.3)

Published 2026-04-14. Last modified 2026-08-28.