CVE-2026-84396
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NULL Pointer Dereference in Adobe InDesign Desktop

Publication date: 2026-09-22

Last updated on: 2026-09-22

Assigner: Adobe Systems Incorporated

Description
InDesign Desktop is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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Meta Information

Published
2026-09-22
Last Modified
2026-09-22
Generated
2026-09-22
AI Q&A
2026-09-22
EPSS Evaluated
N/A
NVD
CVE-2026-84396
EUVD
EUVD-2026-84751

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
adobe indesign_desktop *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.

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Executive Summary

This vulnerability is a NULL Pointer Dereference issue in InDesign Desktop that can cause the application to crash, resulting in a denial-of-service condition. It requires user interaction, meaning a victim must open a specially crafted malicious file to trigger the crash.

Detection Guidance

Detection involves monitoring for crashes when opening files in InDesign Desktop. Check application logs for NULL pointer dereference errors after opening suspicious files. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could crash your InDesign application, disrupting your workflow and potentially causing data loss if unsaved work is affected. It requires opening a malicious file, so avoid opening files from untrusted sources.

Mitigation Strategies

Avoid opening untrusted files in InDesign Desktop. Update to the latest patched version if available. Implement user awareness training to prevent opening malicious files.

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