CVE-2026-84396
📛 CVE Title
InDesign Desktop | NULL Pointer Dereference (CWE-476)
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- adobe
- CVSS severity
- MEDIUM
- CVSS score
- 5.5 / 10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Effective score
- 5.5 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-476 - Reserved
- 2026-09-01
- Published
- 2026-09-22 18:33 UTC
- Last updated
- 2026-09-22 18:33 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/84xxx/CVE-2026-84396.json
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-22 19:16:54 UTC
- NVD last modified
- 2026-09-22 19:23:57 UTC
- NVD CVSS v3.1
- 5.5 / 10 MEDIUM source: psirt@adobe.com
- NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Exploitability subscore
- 1.8 / 10
- Impact subscore
- 3.6 / 10
NVD / KEV / EPSS data refreshed 2026-09-23 02:36 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-84751 - Assigner
- adobe
- Published
- Sep 22, 2026, 6:33:25 PM
- Updated
- Sep 22, 2026, 6:33:25 PM
- EUVD base score (CVSS 3.1)
-
5.5 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - EUVD-reported EPSS
- 0.0000
- Vendors
- Adobe
- Products
-
InDesign Desktop (0 ≤20.5.4)InDesign Desktop (0 ≤21.5)
- Aliases
-
GHSA-g849-5848-cc4r
ENISA 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.
EUVD references (1)
Affected products (2)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Adobe | InDesign Desktop |
0 (affected),
21.6 (unaffected)
|
— |
| Adobe | InDesign Desktop |
0 (affected),
20.5.5 (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Remediations (10)
-
web:app.opencve.io
Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Install the latest Adobe InDesign update that fixes the NULL Pointer Dereference issue Configure InDesign or the operating environment to block automatic opening of unknown files or use a sandboxed execution context
2026-09-23 15:43 UTC -
web:connect.tenable.com
On September 8, Microsoft released its September 2026 Patch Tuesday release which patched 964 CVEs with 104 rated critical and 860 rated as important. This update includes patches for two zero-days that were exploited in the wild.
2026-09-23 15:43 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-23 15:43 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-23 15:43 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's August 2026 Patch Tuesday, and with it comes security updates for a massive 400 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities.
2026-09-23 15:43 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.
2026-09-23 15:43 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-09-23 15:43 UTC -
web:www.oracle.com
Additional CVEs addressed are: The patch for CVE - 2026 -34481 also addresses CVE - 2026 -34477, CVE - 2026 -34478, CVE - 2026 -34479, and CVE - 2026 -34480. Oracle Fusion Middleware Risk Matrix This Critical Security Patch Update contains 106 new security patches for Oracle Fusion Middleware. 53 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a ...
2026-09-23 15:43 UTC -
web:www.tenable.com
NULL Pointer Dereference (CWE-476) potentially leading to Application denial-of-service
2026-09-23 15:43 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's September 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-09-23 15:43 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-84396.json.
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "InDesign Desktop",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "21.5",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "21.6",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "InDesign Desktop",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "20.5.4",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "20.5.5",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-09-22T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 5.5,
"environmentalSeverity": "MEDIUM",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "LOCAL",
"modifiedAvailabilityImpact": "HIGH",
"modifiedConfidentialityImpact": "NONE",
"modifiedIntegrityImpact": "NONE",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "REQUIRED",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"temporalSeverity": "MEDIUM",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "NULL Pointer Dereference (CWE-476)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T18:33:25.676Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/indesign/apsb26-145.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "InDesign Desktop | NULL Pointer Dereference (CWE-476)",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2026-84396",
"datePublished": "2026-09-22T18:33:25.676Z",
"dateReserved": "2026-09-01T16:49:48.598Z",
"dateUpdated": "2026-09-22T18:33:25.676Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}