CVE-2018-19321 (GCVE-0-2018-19321)

Vulnerability from cvelistv5 – Published: 2018-12-21 23:00 – Updated: 2026-08-13 03:55
VLAI CISA Previdian
Summary
The GPCIDrv and GDrv low-level drivers 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 expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2022-10-27 00:00 UTC
CWE
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2146 records in the last 180 days details
References
Date Public
2018-12-18 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b775a153-f4c6-4585-b6fc-de88aaa1fbaf

Vulnerability ID: CVE-2018-19321

Status: Confirmed

Status Updated: 2022-10-24 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-10-24
Asserted: 2022-10-24
Scope
Notes: GIGABYTE Multiple Products Privilege Escalation Vulnerability | Affected: GIGABYTE / Multiple Products | Description: The GPCIDrv and GDrv low-level drivers in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II expose functionality to read and write arbitrary physical memory. This could be leveraged by a local attacker to elevate privileges. | Required action: Apply updates per vendor instructions. | Due date: 2022-11-14 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.gigabyte.com/Support/Security/1801; https://nvd.nist.gov/vuln/detail/CVE-2018-19321
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes
Feed CISA Known Exploited Vulnerabilities Catalog
Product Multiple Products
Due Date 2022-11-14
Date Added 2022-10-24
Vendorproject GIGABYTE
Vulnerabilityname GIGABYTE Multiple Products Privilege Escalation Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-11-04 13:34 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6ffa54ee-bab7-4fbc-86e6-2ae31e1edcdd

Vulnerability ID: CVE-2018-19321

Status: Confirmed

Status Updated: 2022-10-24 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-10-24
Asserted: 2022-10-24
Scope
Notes: KEVIntel entry: The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before... | Affected: GIGABYTE / APP Center, AORUS GRAPHICS ENGINE, XTREME GAMING ENGINE, OC GURU II | CVSS: 7.8 (HIGH) | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title The GPCIDrv and GDrv low-level drivers in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before...
Vendor GIGABYTE
Product APP Center, AORUS GRAPHICS ENGINE, XTREME GAMING ENGINE, OC GURU II
Added Date 2022-10-24T00:00:00.000Z
Cvss Score 7.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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