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CVE-2019-7630

HIGH
7.2
CVSS Score
Published: March 25, 2020 at 04:59 PM UTC
Updated: June 17, 2026 at 02:40 AM UTC
1 product affected across 1 vendorApp Center

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Severity
HIGH7.2
Exploit prediction
EPSS 3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

App Center· Gigabyte
95%
v < 19.0227.1
Affected range stops below 19.0227.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.md
x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.gigabyte.com/Support/Security/1801

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-665

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