Advisories › Siemens › ICSA-26-230-02

Siemens Simcenter Nastran: 1 CVE, High 7.8

High 7.8 ICSA-26-230-02 · Published Aug 18, 2026

Summary

CISA reports 1 vulnerability in Siemens Simcenter Femap, Simcenter Nastran. Weakness type: Stack-based Buffer Overflow. Simcenter Nastran is affected by a stack overflow vulnerability that could be triggered when an application binary reads arbitrary string as a file argument. Highest CVSS v3 score: 7.8 (High), not remotely exploitable per its CVSS vector.

What to do: Prioritize: Update to V2606 or later version

At a glance

Vendor
Siemens
Products
Simcenter Femap, Simcenter Nastran
CVEs
CVE-2026-59086
Highest CVSS v3
7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Highest CVSS v4
–
Known exploited (KEV)
No CVE from this advisory is on the KEV list as of the last refresh
Sectors (per CISA)
Critical Manufacturing, Defense Industrial Base, Energy, Healthcare and Public Health, Transportation Systems
Deployed
Worldwide
Vendor HQ
Germany

Vulnerabilities

CVEWeaknessCVSS v3CVSS v4KEVDescription (from advisory)
CVE-2026-59086Stack-based Buffer Overflow7.8–NoCVE-2026-59086

Affected products (2)

Vendor fixes and mitigations (from advisory)

Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.

Sources

This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.

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