How severe is CVE-2026-1636?

CVE-2026-1636 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-1636 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.

How do I fix CVE-2026-1636?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1636 have an EU (EUVD) identifier?

Yes. CVE-2026-1636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22919.

When was CVE-2026-1636 published?

CVE-2026-1636 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-1636

CVE-2026-1636 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. 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-427.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v4: 5.4
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22919
Weakness: CWE-427
Published: 2026-04-15
Last modified: 2026-06-17

Description

A potential DLL hijacking vulnerability was reported in Lenovo Service Bridge that, under certain conditions, could allow a local authenticated user to execute code with elevated privileges.

Frequently asked questions

What is CVE-2026-1636?: A potential DLL hijacking vulnerability was reported in Lenovo Service Bridge that, under certain conditions, could allow a local authenticated user to execute code with elevated privileges.
How severe is CVE-2026-1636?: CVE-2026-1636 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-1636 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.
How do I fix CVE-2026-1636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1636 have an EU (EUVD) identifier?: Yes. CVE-2026-1636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22919.
When was CVE-2026-1636 published?: CVE-2026-1636 was published on 2026-04-15 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-211071

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