Security readout for executives and security teams
Plain-English summary
Certain GIGABYTE utilities installed low-level drivers that let a logged-in attacker manipulate hardware I/O. That can be abused to gain elevated privileges. This is not a remote entry point by itself, but CISA lists CVE-2018-19322 as known exploited, so exposed systems deserve urgent attention.
Executive priority
Prioritize remediation in endpoint vulnerability programs because this is KEV-listed and enables privilege escalation. It is not described as remotely exploitable, but it can materially worsen any endpoint compromise by helping attackers obtain elevated privileges.
Technical view
CVE-2018-19322 affects GPCIDrv and GDrv 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 drivers expose I/O port read/write functionality, enabling local privilege escalation with low privileges and no user interaction.
Likely exposure
Systems are exposed if they have affected GIGABYTE APP Center, AORUS GRAPHICS ENGINE, XTREME GAMING ENGINE, or OC GURU II installations, or leftover vulnerable drivers. Exposure is most likely on endpoints or workstations where GIGABYTE hardware utilities were installed.
Exploitation context
The vulnerability requires local access with low privileges, so it is most dangerous after an attacker already has a foothold. CISA KEV confirms known exploitation. Treat it as a privilege-escalation risk that can help attackers gain higher control on compromised systems.
Researcher notes
The provided sources identify I/O port read/write exposure in GPCIDrv and GDrv. No CWE is listed in the bundle, and product CPE data is not useful. Do not assume additional affected products or specific exploit mechanics beyond the cited driver behavior.
Mitigation direction
- Inventory systems for affected GIGABYTE utilities and GPCIDrv or GDrv drivers.
- Update AORUS GRAPHICS ENGINE to 1.57 or later where applicable.
- Update XTREME GAMING ENGINE to 1.26 or later where applicable.
- Update GIGABYTE APP Center beyond v1.05.21 where applicable.
- For OC GURU II v2.08, check GIGABYTE guidance for remediation.
- Remove affected utilities and drivers if not required.
Validation and detection
- Confirm installed utility names and versions against the affected version list.
- Check whether GPCIDrv or GDrv remains present after software removal.
- Verify updated or removed software through endpoint inventory tooling.
- Track remediation against CISA KEV status for CVE-2018-19322.
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-2018-19322 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-2018-19322 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-2018-19322 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-2018-19322CVE 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.