Out-of-bounds Read in Adobe Substance3d - Stager
CVE-2026-21345
Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vu…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (10.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Adobe Substance3d - Stager — versions 0
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/substance3d_stager/apsb26-20.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-21345?
- CVE-2026-21345 is a high-severity vulnerability in Adobe Substance3d - Stager, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-02-10.
- How severe is CVE-2026-21345?
- High severity. CVSS v3 base score is 7.8 out of 10.