CVE-2026-21278 MEDIUM

CVE-2026-21278: InDesign Desktop | Out-of-bounds Read (CWE-125)

Vendor Adobe
Product InDesign Desktop
Weakness CWE-125
Published January 13, 2026
Last update January 13, 2026

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to access sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Key dates

02Disclosure timeline

January 13, 2026 CVE published
January 13, 2026 Record updated