CVE-2021-26943

PoC ×2—

CVSS 3.1

8.2 high

EPSS

<1%p59

Published

Mar 31, 2021 (Mar 31, 2021)

Modified

Jun 17, 2026

Description

The UX360CA BIOS through 303 on ASUS laptops allow an attacker (with the ring 0 privilege) to overwrite nearly arbitrary physical memory locations, including SMRAM, and execute arbitrary code in the SMM (issue 3 of 3).

Vendors: asus
Products: ux360ca bios
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

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