CVE-2026-103840
Substance3D - Stager | Out-of-bounds Read (CWE-125)
Adobe Adobe Substance 3D Stager
CVSS
7.8HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
Substance3D - Stager is 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 vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Text from CVE List
Affected versions 2
- Adobe Substance 3D Stageraffected: all versions through 3.1.8CVE List
- Adobe Substance 3D Stagerunaffected: 3.1.9CVE List