CVE-2026-59086 PUBLISHED

Assigner: siemens
Reserved: 02.07.2026 Published: 11.08.2026 Updated: 11.08.2026

A vulnerability has been identified in Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process.

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Siemens
Product	Simcenter Nastran
Versions	Default: unknown affected from 0 to V2606 (excl.)

References

https://cert-portal.siemens.com/productcert/html/ssa-069220.html

Problem Types

CWE-121: Stack-based Buffer Overflow CWE