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CVE-2018-19320

HIGH
7.8
CVSS Score
Published: December 21, 2018 at 11:00 PM UTC
Updated: August 13, 2026 at 05:37 AM UTC
4 products affected across 1 vendorAorus Graphics EngineApp CenterXtreme Gaming Engine

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 5%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score4.6%

EPSS (Exploit Prediction Scoring System) estimates a 4.6% chance this CVE is exploited in the wild within the next 30 days — higher than 92% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

The GDrv low-level driver in GIGABYTE App Center, AORUS Graphics Engine, XTREME Gaming Engine, and OC GURU II exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Known
Added to KEV
Oct 24, 2022
Remediation Due
Nov 14, 2022
1443 days overdue
Notes
https://www.gigabyte.com/Support/Security/1801
https://nvd.nist.gov/vuln/detail/CVE-2018-19320

Description

The GDrv low-level 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 exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

Affected

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

Aorus Graphics Engine· Gigabyte
95%
v < 1.57
Affected range stops below 1.57, so it looks safe — our inference, not a vendor statement
App Center· Gigabyte
95%
v < 19.0422.1
Affected range stops below 19.0422.1, so it looks safe — our inference, not a vendor statement
Oc Guru Ii· Gigabyte
95%
2.08
Xtreme Gaming Engine· Gigabyte
95%
v < 1.26
Affected range stops below 1.26, 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 (6)

Mailing Listx_refsource_FULLDISCExploitThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2018/Dec/39
VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/106252
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.gigabyte.com/Support/Security/1801
x_refsource_CONFIRMProduct
Source: [email protected]
https://www.gigabyte.com/tw/Support/Utility/Graphics-Card
x_refsource_MISCBroken LinkExploitThird Party Advisory
Source: [email protected]
https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-vulnerabilities
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19320

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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