CVE-2026-4416
Published: 30 March 2026
Summary
CVE-2026-4416 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability in Gigabyte Performance Library. Its CVSS base score is 8.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 10.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-4416 is an Insecure Deserialization vulnerability (CWE-502) affecting the Performance Library component of Gigabyte Control Center. Published on 2026-03-30T08:16:18.360, it carries a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high impact potential from local access.
Authenticated local attackers can exploit the vulnerability by sending a malicious serialized payload to the EasyTune Engine service, resulting in privilege escalation. The low attack complexity and required low privileges, combined with no need for user interaction, make it accessible to compromised user accounts on the system.
Advisories from TWCERT provide further details on mitigation, available at https://www.twcert.org.tw/en/cp-139-10806-fbc4a-2.html and https://www.twcert.org.tw/tw/cp-132-10805-a53f6-1.html.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-17071
Vulnerability details
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.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Insecure deserialization in local EasyTune Engine service directly enables local authenticated attackers to achieve arbitrary code execution and privilege escalation (CVSS AV:L vector).
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
SI-2 requires timely identification, reporting, and correction of flaws like this insecure deserialization vulnerability through patching.
SI-10 mandates validation of information inputs, directly preventing malicious serialized payloads from being deserialized by the EasyTune Engine service.
AC-6 enforces least privilege on the service process, limiting the impact of privilege escalation resulting from successful deserialization.