CVE-2026-21276

HighCVSS 7.8/10Last modified Aug 28, 2026

Description

InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Access of Uninitialized Pointer 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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-824

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-2026-21276: High severity, CVSS 7.8 | Vulnix