CVE-2026-21358 MEDIUM

CVE-2026-21358: InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

Vendor Adobe
Product InDesign Desktop
Weakness CWE-122
Published February 10, 2026
Last update February 10, 2026

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 10, 2026 Record updated