CVE-2026-21278

MediumCVSS 5.5/10Last modified Aug 28, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2026
Last modified
Aug 28, 2026
NVD status
Analyzed

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CVE-2026-21278: Medium severity, CVSS 5.5 | Vulnix