CVE-2026-64203
CVE-2026-64203 is a high-severity vulnerability in Ni Labview 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v4: 8.5
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ni Labview
- Published:
- Last modified:
Description
There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2026 Q3 (26.3.0) and prior versions.
Frequently asked questions
- What is CVE-2026-64203?
- There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2026 Q3 (26.3.0) and prior versions.
- How severe is CVE-2026-64203?
- CVE-2026-64203 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-2026-64203 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-2026-64203?
- CVE-2026-64203 primarily affects Ni Labview. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-64203?
- 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.
- When was CVE-2026-64203 published?
- CVE-2026-64203 was published on 2026-08-25 and last updated on 2026-09-03.
References
Affected products (35)
- cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch2:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch4:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch5:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch6:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch7:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch8:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2023:q3_patch9:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:-:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q1_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch2:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch4:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch5:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2024:q3_patch6:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q1_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q1_patch2:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q1_patch3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q3_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q3_patch2:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q3_patch3:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2025:q3_patch4:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2026:q1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2026:q1_patch1:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2026:q1_patch2:*:*:*:*:*:*
- cpe:2.3:a:ni:labview:2026:q3:*:*:*:*:*:*
More vulnerabilities in Ni Labview
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- CVE-2026-64204 — High (CVSS 7.8): There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure…
- CVE-2026-64202 — High (CVSS 7.8): There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure…
- CVE-2026-64201 — High (CVSS 7.8): There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure…
- CVE-2026-16234 — High (CVSS 7.8): There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure…
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