What is the CVSS score of CVE-2026-27274?

CVE-2026-27274 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Substance 3d Stager are affected by CVE-2026-27274?

Adobe Substance3D - Stager versions 3.1.7 and earlier contain a critical vulnerability allowing arbitrary code execution when users open malicious files.

How to fix or mitigate CVE-2026-27274?

Within 24 hours: Identify all systems running Substance3D - Stager 3.1.7 or earlier and document the inventory. Issue a security alert to affected users warning them not to open files from untrusted sources. Within 7 days: Disable Substance3D - Stager if possible, or restrict its use to isolated development environments. Implement file type restrictions and disable automatic file opening features. Within 30 days: Monitor vendor communications for patch availability and establish a rapid deployment process; consider transitioning to alternative design tools if patching remains unavailable.

Substance 3d Stager CVE-2026-27274

HIGH

Out-of-bounds Write (CWE-787)

2026-03-10 psirt@adobe.com

Buffer Overflow RCE Substance 3d Stager

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 19:17 nvd

HIGH 7.8

DescriptionCVE.org

Substance3D - Stager versions 3.1.7 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.

AnalysisAI

Arbitrary code execution in Adobe Substance 3D Stager 3.1.7 and earlier through an out-of-bounds write vulnerability that executes with user privileges when a victim opens a crafted file. The vulnerability requires user interaction but no special permissions, making it a practical attack vector for local exploitation. No patch is currently available.

Technical ContextAI

Classified as CWE-787 (Out-of-bounds Write). Affects Substance 3D Stager. Substance3D - Stager versions 3.1.7 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.