EUVD-2026-22443
GHSA-gvx9-4v4m-4c43
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
5DescriptionCVE.org
InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write 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.
AnalysisAI
Arbitrary code execution in Adobe InDesign Desktop versions through 21.2 allows unauthenticated attackers to execute malicious code with full user privileges by exploiting an out-of-bounds write vulnerability via a specially crafted InDesign file. Attack requires local access and user interaction to open the malicious document. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must open a malicious file in Adobe InDesign Desktop versions 20.5.2, 21.2, or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate despite the high CVSS 7.8 score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious InDesign (.indd or .idml) file weaponized with out-of-bounds write payloads targeting InDesign's document parsing routines. The attacker delivers this file via phishing email, malicious download site, or compromised file sharing platform targeting graphic designers or publishing professionals. … |
| Remediation | Apply security updates detailed in Adobe Security Bulletin APSB26-32 immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all InDesign installations and identify users running versions through 21.2. …
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External POC / Exploit Code
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