Security readout for executives and security teams
Plain-English summary
This flaw is in GIGABYTE’s low-level Windows driver installed by several GIGABYTE utilities. A user or malware already on a machine could use it to gain full system control. CISA lists this CVE as known exploited, so environments with affected GIGABYTE software should treat it as a priority endpoint cleanup issue.
Executive priority
High priority where affected GIGABYTE utilities exist. The issue is local, but known exploitation means it can help attackers turn a foothold into full system control. Focus on rapid identification, removal, or vendor-approved updates.
Technical view
CVE-2018-19320 affects the GDrv driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08. The driver exposes ring0 memcpy-like functionality, enabling local privilege escalation to kernel-level control. CVSS is 7.8, local, low complexity, low privileges required.
Likely exposure
Windows endpoints with affected GIGABYTE motherboard or graphics-card utilities installed are the likely exposure. This is most relevant to workstations, gaming-class desktops, engineering systems, or unmanaged endpoints where OEM utilities remain installed.
Exploitation context
The vulnerability requires local access or existing low-privileged code execution. It is not described as a remote network entry point. CISA KEV listing confirms known exploitation, making it important for post-compromise privilege escalation risk.
Researcher notes
Public sources identify a vulnerable kernel driver interface but do not require remote access for exploitation. Avoid assuming all GIGABYTE systems are affected; validate installed utility versions and driver presence. CISA KEV supports treating this as exploited in the wild.
Mitigation direction
- Check GIGABYTE security guidance for fixed utility versions or removal instructions.
- Update affected GIGABYTE utilities to non-vulnerable versions where available.
- Remove unnecessary GIGABYTE utilities and associated low-level drivers from managed endpoints.
- Prioritize systems used by administrators, developers, and privileged business users.
- Reboot after driver removal or update to ensure the vulnerable driver is unloaded.
Validation and detection
- Inventory endpoints for listed GIGABYTE utilities and versions.
- Check whether the GDrv low-level driver is installed or loaded.
- Compare installed versions against the affected version ranges in the CVE description.
- Verify remediation removed or replaced the vulnerable driver.
- Document KEV-driven remediation status for vulnerability management reporting.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-19320 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- Added to KEVCISA-ADP
CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.
- ADP timelineCISA-ADP
CVE-2018-19320 added to CISA KEV
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2022-10-24T00:00:00.000Z: CVE-2018-19320 added to CISA KEV
Source materials
- CVE List V5 sourceCVE List V5
- https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilitiesCVE reference, mitre · x_refsource_MISC
- https://www.gigabyte.com/tw/Support/Utility/Graphics-CardCVE reference, mitre · x_refsource_CONFIRM
- https://www.gigabyte.com/Support/Security/1801CVE reference, mitre · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19320CVE reference, CISA-ADP · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.