CVE-2026-1636 PUBLISHED

Assigner: lenovo
Reserved: 29.01.2026 Published: 15.04.2026 Updated: 15.04.2026

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.

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 5.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 6.7

Attack Vector	Local	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Lenovo
Product	Service Bridge
Versions	Default: unaffected affected from 0 to 5.0.2.20 (excl.)

Solutions

Upgrade to the Lenovo Service Bridge version 5.0.2.20 or later. Lenovo Service Bridge is updated automatically.

Credits

Lenovo thanks Victor Rodriguez (aka NT3P) for reporting this issue. finder

References

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

Problem Types

CWE-427: Uncontrolled Search Path Element CWE