CVE-2026-59086 Memory corruption in Simcenter Femap
A stack overflow in Simcenter Femap and Nastran allows attackers to execute arbitrary code via specially crafted strings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-59086?
CVE-2026-59086 is a high-severity memory corruption vulnerability in Siemens Simcenter Femap, published on 11 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability has been identified in Simcenter Femap (All versions < V2606), 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.
Weakness: CWE-121
Which versions are affected by CVE-2026-59086?
How do I fix CVE-2026-59086?
No fix has been published for CVE-2026-59086 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-59086 being exploited?
There is no known exploitation of CVE-2026-59086 in the wild and no public exploit code.
Sources
Also known as GHSA-v69q-r268-rv35.