CVE-2026-48432

Code execution via malicious file heap overflow

Published Aug 25, 2026 · Updated Aug 27, 2026

Heap-based buffer overflow in Adobe Substance 3D Designer 16.0.4 and earlier allows attackers to execute code via a malicious file. Adobe has not disclosed which affected file parser performs the heap allocation or copy operation that mishandles the crafted input. A victim must open the file, after which code runs with the current user's privileges.

CVSS severity7.8
High
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in Adobe Substance 3D Designer 16.0.4 and earlier allows attackers to execute code via a malicious file. Adobe has not disclosed which affected file parser performs the heap allocation or copy operation that mishandles the crafted input. A victim must open the file, after which code runs with the current user's privileges.

The record

CVE
CVE-2026-48432
Published
Aug 25, 2026
Updated
Aug 27, 2026
Vendor
Adobe
Product
Adobe Substance 3D Designer
Classifications
CWE-122, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=16.0.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Substance 3D Designerversion=0 <=16.0.4

Published CVSS scores

7.8AdobeCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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