CVE-2026-88781

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88781
StatePUBLISHED
AssignerASUS
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-27 03:16:26 UTC
Updated2026-10-27 03:16:26 UTC
DescriptionUntrusted Pointer Dereference in ASUS certain motherboards firmware allows a kernel-level privileges user can supply an arbitrary memory address via an I/O command, leading to subsequent system information being tampered with or causing a system crash. Refer to the 'Security Update for Multiple ASUS Motherboards' section on the ASUS Security Advisory for more information.

Risk And Classification

Primary CVSS: v4.0 6.8 MEDIUM from 54bf65a7-a193-42d2-b1ba-8e150d3c35e1

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-822 | CWE-822 CWE-822：Untrusted Pointer Dereference

VersionSourceTypeScoreSeverityVector
4.054bf65a7-a193-42d2-b1ba-8e150d3c35e1Secondary6.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
None
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ASUS Motherboards Firmware affected A520/B550 series Before 3644 4304 custom Not specified
CNA ASUS Motherboards Firmware affected X570 Series Before 5054 custom Not specified
CNA ASUS Motherboards Firmware affected A620/A620A Series Before 4003 4004 Not specified
CNA ASUS Motherboards Firmware affected B650 Series Before 1303 4003 4004 Not specified
CNA ASUS Motherboards Firmware affected X670 Series Before 4003 4004 Not specified
CNA ASUS Motherboards Firmware affected B840 Series Before 1804 Not specified
CNA ASUS Motherboards Firmware affected B850 Series Before 1103 1804 2503 Not specified
CNA ASUS Motherboards Firmware affected X870 Series Before 1804 2503 Not specified
CNA ASUS Motherboards Firmware affected X870E Series Before 1103 2503 Not specified
CNA ASUS Motherboards Firmware affected Knoll Series Before 4003 Not specified
CNA ASUS Motherboards Firmware affected TRX50 Series Before 0703 1403 Not specified
CNA ASUS Motherboards Firmware affected W790 Series Before 2101 Not specified
CNA ASUS Motherboards Firmware affected WRX90 Series Before 1403 Not specified

References

ReferenceSourceLinkTags
www.asus.com/security-advisory 54bf65a7-a193-42d2-b1ba-8e150d3c35e1 www.asus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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