CVE-2026-22923
CVE-2026-22923 is a high-severity vulnerability in Siemens Nx with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 7.3
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6743
- Weakness: CWE-121
- Affected product: Siemens Nx
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-22923?
- CVE-2026-22923 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-22923 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22923?
- CVE-2026-22923 affects Siemens Nx. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22923?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-22923 have an EU (EUVD) identifier?
- Yes. CVE-2026-22923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6743.
- When was CVE-2026-22923 published?
- CVE-2026-22923 was published on 2026-02-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:siemens:nx:*:*:*:*:*:*:*:*
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