CVE-2023-21588: Adobe Indesign

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Adobe InDesign version 18.0 (and earlier), 17.4 (and earlier) are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Indesign: from 17.0, up to and including 17.4; version 18.0 only

Published 2023-01-13. Last modified 2026-06-17.