CVE-2026-21281

InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow 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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://helpx.adobe.com/security/products/incopy/apsb26-04.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:adobe:incopy::::::::
	cpe:2.3:a:adobe:incopy:21.0:::::::*

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 21.0, 19.5.5 y anteriores de InCopy se ven afectadas por una vulnerabilidad de desbordamiento de búfer basado en montículo que podría resultar en ejecución de código arbitrario en el contexto del usuario actual. La explotación de este problema requiere interacción del usuario en el sentido de que una víctima debe abrir un archivo malicioso.

14 Jan 2026, 19:28

Type	Values Removed	Values Added
References	~~() https://helpx.adobe.com/security/products/incopy/apsb26-04.html -~~	() https://helpx.adobe.com/security/products/incopy/apsb26-04.html - Vendor Advisory
CPE		cpe:2.3:a:adobe:incopy:::::::: cpe:2.3:a:adobe:incopy:21.0:::::::* cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:apple:macos:-:::::::*
CWE		CWE-787
First Time		Adobe Microsoft windows Microsoft Adobe incopy Apple macos Apple

13 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-13 19:16

Updated : 2026-06-17 10:18

NVD link : CVE-2026-21281

Mitre link : CVE-2026-21281

CVE.ORG link : CVE-2026-21281

JSON object : View

Products Affected

microsoft

windows

adobe

incopy

apple

macos

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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