CVE-2025-54243: Adobe Substance3D – Viewer · Out-of-bounds Write
Affects Adobe Substance3D – ViewerSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Adobe Substance3D - Viewer | Affected
| Fixed in– |
AI-suggested
Organizations should implement the following mitigations: 1) Restrict the opening of files from untrusted or unknown sources within Substance3D - Viewer environments. 2) Employ application whitelisting and sandboxing techniques to limit the impact of potential code execution. 3) Educate users on the risks of opening unsolicited or suspicious files, emphasizing cautious handling of files received via email or downloads. 4) Monitor for unusual application behavior or crashes that could indicate exploitation attempts. 5) Maintain up-to-date backups of critical data to recover from potential compromise. 6) Once Adobe releases a patch, prioritize immediate deployment across all affected systems. 7) Consider network segmentation to isolate systems running Substance3D - Viewer from sensitive resources. 8) Use endpoint detection and response (EDR) tools to detect exploitation attempts or anomalous activity related to this vulnerability.
Description
Substance3D - Viewer versions 0.25.1 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.