CVE-2026-34703: Adobe Indesign

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Indesign: before 20.5.4 (fixed in 20.5.4); from 21.0, before 21.4 (fixed in 21.4)

Published 2026-06-09. Last modified 2026-08-28.