8.5

CVE-2026-4416: gigabyte performance_library Deserialization of Untrusted Data

CVSS: 8.5v4.0HighAnalyzed
Published 30-03-2026Last modified 30-03-2026
Open JSON

Vulnerability summary

CVE-2026-4416 is a high (CVSS 8.5) Deserialization of Untrusted Data vulnerability in gigabyte performance_library. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.7% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.34%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-03-2026
    PublishedVulnerability first disclosed.
  2. 30-03-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

+0.13 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Gigabyte1 product

1 vendor · 1 product

References

2 links