Medium severity · published Oct 27, 2026
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…
New
6.8
CVSS
0.1%
EPSS
No
On KEV
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 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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
motherboards firmware · ASUS
A520/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; +7 more · source: vendor