CVE-2026-4416: GIGABYTE Performance Library · Deserialization of Untrusted Data
Affects GIGABYTE Performance LibrarySource CVE Database V5
Not known to be exploited · CVSS 8.5 High : upgrade to 25.12.31.01 soon.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 25.12.31.01
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade GIGABYTE Performance Library to 25.12.31.01.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GIGABYTEPerformance Library | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict local access to trusted users only and monitor for suspicious activity related to the EasyTune Engine service. Avoid running the affected software with elevated privileges where possible.
Description
CVE-2026-4416 is a high-severity vulnerability in the Performance Library component of the Gigabyte Control Center. It involves insecure deserialization of untrusted data, allowing authenticated local attackers to send malicious serialized payloads to the EasyTune Engine service. Successful exploitation can lead to privilege escalation on the affected system. There is no information about an available patch or vendor advisory at this time. The vulnerability requires local authentication and does not involve user interaction.