How severe is CVE-2026-4145?

CVE-2026-4145 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-4145 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4145?

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-2026-4145 have an EU (EUVD) identifier?

Yes. CVE-2026-4145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22928.

When was CVE-2026-4145 published?

CVE-2026-4145 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-4145

CVE-2026-4145 is a high-severity vulnerability 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-88.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22928
Weakness: CWE-88
Published: 2026-04-15
Last modified: 2026-06-17

Description

During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix that could allow a local authenticated user to perform arbitrary code execution with elevated privileges.

Frequently asked questions

What is CVE-2026-4145?: During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix that could allow a local authenticated user to perform arbitrary code execution with elevated privileges.
How severe is CVE-2026-4145?: CVE-2026-4145 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-4145 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4145?: 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-2026-4145 have an EU (EUVD) identifier?: Yes. CVE-2026-4145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22928.
When was CVE-2026-4145 published?: CVE-2026-4145 was published on 2026-04-15 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-213829

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