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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (24.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10805-a53f6-1.html (Third Party Advisory, third-party-advisory)
- www.twcert.org.tw/en/cp-139-10806-fbc4a-2.html (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.