What is CVE-2026-4416?

CVE-2026-4416 is a high-severity vulnerability in Gigabyte Performance Library, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-03-30.

How severe is CVE-2026-4416?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Gigabyte Performance Library

CVE-2026-4416

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gigabyte Performance Library — versions 0
Gigabyte Performance_library

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

twcert@cert.org.tw (Third Party Advisory, third-party-advisory)
twcert@cert.org.tw (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-4416?: CVE-2026-4416 is a high-severity vulnerability in Gigabyte Performance Library, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-03-30.
How severe is CVE-2026-4416?: High severity. CVSS v3 base score is 7.8 out of 10.