CVE-2026-84396: Adobe Indesign Desktop

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

InDesign Desktop is 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 Desktop: up to and including 21.5; up to and including 20.5.4

Published 2026-09-22. Last modified 2026-09-26.