CVE-2026-21358

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://helpx.adobe.com/security/products/indesign/apsb26-17.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:adobe:indesign::::::::
	cpe:2.3:a:adobe:indesign::::::::

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

17 Jun 2026, 10:18

Type	Values Removed	Values Added
Summary		(es) Las versiones de escritorio de InDesign 21.1, 20.5.1 y anteriores se ven afectadas por una vulnerabilidad de desbordamiento de búfer basado en montículo que podría resultar en una denegación de servicio de la aplicación. Un atacante podría explotar esta vulnerabilidad para bloquear la aplicación, causando interrupción en los servicios. La explotación de este problema requiere interacción del usuario en el sentido de que la víctima debe abrir un archivo malicioso.

11 Feb 2026, 18:28

Type	Values Removed	Values Added
First Time		Adobe indesign Adobe Microsoft Microsoft windows Apple macos Apple
References	~~() https://helpx.adobe.com/security/products/indesign/apsb26-17.html -~~	() https://helpx.adobe.com/security/products/indesign/apsb26-17.html - Vendor Advisory
CWE		CWE-787
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:a:adobe:indesign:::::::: cpe:2.3:o:apple:macos:-:::::::*

10 Feb 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-10 18:16

Updated : 2026-06-17 10:18

NVD link : CVE-2026-21358

Mitre link : CVE-2026-21358

CVE.ORG link : CVE-2026-21358

JSON object : View

Products Affected

adobe

indesign

microsoft

windows

apple

macos

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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