How severe is CVE-2026-23718?

CVE-2026-23718 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-2026-23718 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-2026-23718?

CVE-2026-23718 primarily affects Siemens Simcenter Femap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-23718?

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-2026-23718 have an EU (EUVD) identifier?

Yes. CVE-2026-23718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6887.

When was CVE-2026-23718 published?

CVE-2026-23718 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-23718

CVE-2026-23718 is a high-severity vulnerability in Siemens Simcenter Femap 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-125.

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-2026-6887
Weakness: CWE-125
Affected product: Siemens Simcenter Femap
Published: 2026-02-10
Last modified: 2026-06-17

Description

A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions < V2512). The affected applications contains an out of bounds read vulnerability while parsing specially crafted NDB files. This could allow an attacker to execute code in the context of the current process.

Frequently asked questions

What is CVE-2026-23718?: A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions < V2512). The affected applications contains an out of bounds read vulnerability while parsing specially crafted NDB files. This could allow an attacker to execute code in the context of the current process.
How severe is CVE-2026-23718?: CVE-2026-23718 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-2026-23718 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-2026-23718?: CVE-2026-23718 primarily affects Siemens Simcenter Femap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-23718?: 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-2026-23718 have an EU (EUVD) identifier?: Yes. CVE-2026-23718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6887.
When was CVE-2026-23718 published?: CVE-2026-23718 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-965753.html

Affected products (2)

cpe:2.3:a:siemens:simcenter_femap:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simcenter_nastran:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Simcenter Femap

CVE-2022-28661 — High (CVSS 8.8): A vulnerability has been identified in Simcenter Femap (All versions < V2022.1.2). The affected application contains an…
CVE-2026-23720 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23719 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23717 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23716 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…
CVE-2026-23715 — High (CVSS 7.8): A vulnerability has been identified in Simcenter Femap (All versions < V2512), Simcenter Nastran (All versions <…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
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