CVE-2026-34628: InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in…

PriorityP342high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

0.18%

7.5th percentile

InDesign Desktop versions 20.5.2, 21.2 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	< 20.5.3	20.5.3
adobe	indesign	>= 21.0 < 21.3	21.3
adobe	indesign_desktop	<= 21.2	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.