What is CVE-2026-1636?

CVE-2026-1636 is a medium-severity vulnerability in Lenovo Service Bridge, classified under Uncontrolled Search Path Element. CVSS score: 6.7/10. Published 2026-04-15.

How severe is CVE-2026-1636?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Lenovo Service Bridge

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.

Published 2026-04-15 · last modified 2026-08-24.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.0th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Lenovo Service Bridge — versions 0
Lenovo Service Bridge

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

support.lenovo.com/us/en/product_security/LEN-211071 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-1636?: CVE-2026-1636 is a medium-severity vulnerability in Lenovo Service Bridge, classified under Uncontrolled Search Path Element. CVSS score: 6.7/10. Published 2026-04-15.
How severe is CVE-2026-1636?: Medium severity. CVSS v3 base score is 6.7 out of 10.