Insecure Deserialization in Gigabyte EasyTune Engine Enables Privilege Escalation

Executive Summary

CVE-2026-4416 is an insecure deserialization vulnerability in the Performance Library component of the Gigabyte Control Center. It allows an authenticated local attacker to send a malicious serialized payload to the EasyTune Engine service.

Exploiting this vulnerability results in privilege escalation, meaning the attacker can gain higher system privileges than originally granted.

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Impact Analysis

This vulnerability can impact you by allowing an attacker with local authenticated access to escalate their privileges on your system.

• The attacker can gain higher system privileges, potentially compromising system confidentiality, integrity, and availability.
• The attack requires only low privileges and no user interaction, making it easier to exploit once local access is obtained.

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Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the Performance Library component of the Gigabyte Control Center to version 25.12.31.01 or later.

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Compliance Impact

The provided information does not specify how CVE-2026-4416 affects compliance with common standards and regulations such as GDPR or HIPAA.

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