CVE-2026-22923 Memory corruption in NX
A local attacker can exploit a data validation flaw during PDF export in Siemens NX to achieve arbitrary code execution.
- 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-2026-22923?
CVE-2026-22923 is a high-severity memory corruption vulnerability in Siemens NX, published on 10 Feb 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 NX (All versions < V2512), NX (Managed Mode) (All versions < V2512). The affected application contains a data validation vulnerability that could allow an attacker with local access to interfere with internal data during the PDF export process that could potentially lead to arbitrary code execution.
Weakness: CWE-121
Which versions are affected by CVE-2026-22923?
It affects 1 product.
Products include Siemens Nx.
How do I fix CVE-2026-22923?
No fix has been published for CVE-2026-22923 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-2026-22923 being exploited?
There is no known exploitation of CVE-2026-22923 in the wild and no public exploit code.
Sources
Also known as GHSA-whvv-qq52-jc5c.