What is CVE-2026-17061?

CVE-2026-17061 is a critical-severity vulnerability in Dassault Systèmes Simulia Execution Engine, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2026-08-11.

How severe is CVE-2026-17061?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Deserialization in Dassault Systèmes Simulia Execution Engine

CVE-2026-17061

A Deserialization of Untrusted Data vulnerability affecting SIMULIA Execution Engine from Release 2023 through Release 2026 could lead to an unauthenticated remote code execution.

Vulnerability class: Insecure Deserialization

Published 2026-08-11 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.003

Affected products

Dassault Systèmes Simulia Execution Engine — versions Release 2023 Golden, Release 2024 Golden, Release 2025 Golden

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.3ds.com/trust-center/security/security-advisories/cve-2026-17061

Frequently asked questions

What is CVE-2026-17061?: CVE-2026-17061 is a critical-severity vulnerability in Dassault Systèmes Simulia Execution Engine, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2026-08-11.
How severe is CVE-2026-17061?: Critical severity. CVSS v3 base score is 10.0 out of 10.