Buffer overflow in Siemens Nx
CVE-2026-22923
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Siemens Nx — versions 0
- Siemens Nx (Managed Mode) — versions 0
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/html/ssa-535115.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-22923?
- CVE-2026-22923 is a high-severity vulnerability in Siemens Nx, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-02-10.
- How severe is CVE-2026-22923?
- High severity. CVSS v3 base score is 7.8 out of 10.