CVE-2026-19398

6.8 mediumEPSS 0.2%

Medium (6.8). EPSS 0.2% chance of exploitation in the next 30 days.

An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local administrator to cause a system crash (BSOD) or BIOS corruption via a crafted software SMI (SW SMI) request with an oversized length value.Refer to the ' Security Update for ASUS FA507NV / FA507NU BIOS ' section on the ASUS Security Advisory for more information.

Severity

CVSS 4.0

6.8 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-08-27
Modified: 2026-09-09
Record from: the NVD, synced 2026-10-19

References

https://www.asus.com/security-advisory

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