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High severity8.2NVD Advisory· Published Mar 31, 2021· Updated Jun 17, 2026

CVE-2021-26943

CVE-2021-26943

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).

Affected products

3
  • Asus/Ux360ca BIOS2 versions
    cpe:2.3:o:asus:ux360ca_bios:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:asus:ux360ca_bios:*:*:*:*:*:*:*:*range: <304
    • (no CPE)range: <=303
  • ASUS/UX360CA BIOSdescription

Patches

Vulnerability mechanics

References

2

News mentions

0

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