The Performance Library component of Gigabyte Control Center has an Insecure Deserialization vulnerability. Authenticated local attackers can send a malicious serialized payload to the EasyTune Engine service, resulting in privilege escalation.
Conclusion & alert: CVE-2026-4416 is rated Low Risk (37.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.21%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.02% | 0.21% | +0.19% |
| 2 | 2026-03-30 | — | 0.02% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.5 | 4.0 | HIGH |
|
— | — | [email protected] |
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gigabyte | performance_library | < 25.12.31.01 | cpe:2.3:a:gigabyte:performance_library:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/en/cp-139-10806-fbc4a-2.html | Third Party Advisory |
| https://www.twcert.org.tw/tw/cp-132-10805-a53f6-1.html | Third Party Advisory |