CVE-2026-1636: A potential DLL hijacking vulnerability was reported in Lenovo Service Bridge that, under certain conditions,
CVE-2026-1636 is a medium-severity flaw (CVSS 6.7) affecting service bridge. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.7 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.1% (top 98%) |
| CISA exploited list | No |
| Weakness | CWE-427 |
| Published | 2026-04-15 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-1636?
service bridge: upgrade to 5.0.2.20. Exact commands for each OS are on this page.
Is CVE-2026-1636 being exploited?
CVE-2026-1636 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-1636 affect?
CVE-2026-1636 affects service bridge. Severity is medium (CVSS 6.7). 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 urgent is CVE-2026-1636?
Priority 24/100. No elevated risk signals yet.