01 Record
CVE-2026-88781
Untrusted 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
MediumPUBLISHEDCNA: ASUS
CNA base score6.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
Untrusted 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- 6.8 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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
- NVD analysis status
- Received. NVD last modified this record on 2026-10-27.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-27 02:01Z6 HR AGO
- Last updated
- 2026-10-27 02:01Z6 HR AGO
- Reserved
- 2026-09-10
- Assigning CNA
- ASUS
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.8)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-822Untrusted Pointer DereferenceBase
- Data version
- 5.2
- Document digest
- d6279229bdb90fc315e9b6d812a0cb3a7abe1883d58870be74c4f097b4246f2b
05 Affected products
VendorProductVersionsPlatforms
ASUSmotherboards firmwareA520/B550 series Before 3644 4304, X570 Series Before 5054, A620/A620A Series Before 4003 4004, B650 Series Before 1303 4003 4004, X670 Series Before 4003 4004, B840 Series Before 1804, B850 Series Before 1103 1804 2503, X870 Series Before 1804 2503, X870E Series Before 1103 2503, Knoll Series Before 4003, TRX50 Series Before 0703 1403, W790 Series Before 2101, WRX90 Series Before 1403—
06 References
- www.asus.comhttps://www.asus.com/security-advisory