CVE-2026-34705: Adobe Indesign

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

InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. 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.