InDesign Desktop | NULL Pointer Dereference (CWE-476) (CVE-2026-84396) | HOL Guard CVE

Medium · CVSS 5.5CVE-2026-84396

InDesign Desktop | NULL Pointer Dereference (CWE-476)

Answer in brief

CVE-2026-84396 records a Medium severity (CVSS 5.5) vulnerability in InDesign Desktop | NULL Pointer Dereference (CWE-476). The current sources do not mark it as known exploited. The current feed maps Adobe/InDesign Desktop (generic), Adobe/InDesign Desktop (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 22, 2026Updated Sep 22, 2026Source checked Sep 22, 2026First seen by HOL Sep 22, 2026Material review Sep 22, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.5
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Adobe/InDesign Desktop (generic), Adobe/InDesign Desktop (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Adobe/InDesign Desktopgeneric	>=0 <=21.5	Not reported
Adobe/InDesign Desktopgeneric	>=0 <=20.5.4	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Adobe/InDesign Desktop, Adobe/InDesign Desktop.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 22, 2026

Sources and claim methodology

Source referencehelpx.adobe.com

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.