CVE-2026-21357: InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in…

high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow 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

3 ranges

Vendor	Product	Version range	Fixed in
adobe	indesign	< 20.5.2	20.5.2
adobe	indesign	>= 21.0 < 21.2	21.2
adobe	indesign_desktop	<= 20.5.1	—