CVE-2026-21306 is an out-of-bounds write vulnerability affecting Adobe Substance3D - Sampler versions 5.1.0 and earlier. This flaw could lead to arbitrary code execution if a user opens a specially crafted malicious file. Rated High severity (CVSS 7.8), exploitation requires user interaction and has high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are public exploit modules available, but the vulnerability has garnered significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.1.3CPE matchmatch criteria | cpe:2.3:a:adobe:substance_3d_sampler:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.