CVE-2019-7630
highpriority · track · 30EPSS 0.031 · 88 %ileEUUSEPSS · scored 2026-10-28
An issue was discovered in gdrv.sys in Gigabyte APP Center before 19.0227.1. The vulnerable driver exposes a wrmsr instruction via IOCTL 0xC3502580 and does not properly filter the target Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–9
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.mdcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-7630cnnvd
- https://www.gigabyte.com/Patchcnnvd
- https://www.gigabyte.com/Support/Security/1801cnnvd
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.mdenisa_euvd
- https://www.gigabyte.com/Support/Security/1801enisa_euvd
- https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.mdExploitThird Party Advisorynvd
- https://www.gigabyte.com/Support/Security/1801PatchVendor Advisorynvd
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