What is CVE-2025-7027?

CVE-2025-7027 is a high-severity vulnerability in Gigabyte Uefi-genericcomponentsmmentry, classified under CWE-822 UNTRUSTED POINTER DEREFERENCE. CVSS score: 8.2/10. Published 2025-07-11.

How severe is CVE-2025-7027?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Gigabyte Uefi-genericcomponentsmmentry

CVE-2025-7027

A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control both the read and write addresses used by the CommandRcx1 function. The write target is derived from an unvalidated UEFI NVRAM variable (…

EPSS: 0.002 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Gigabyte Uefi-genericcomponentsmmentry — versions 1.0.0

References

cret@cert.org
cret@cert.org
cret@cert.org
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-7027?: CVE-2025-7027 is a high-severity vulnerability in Gigabyte Uefi-genericcomponentsmmentry, classified under CWE-822 UNTRUSTED POINTER DEREFERENCE. CVSS score: 8.2/10. Published 2025-07-11.
How severe is CVE-2025-7027?: High severity. CVSS v3 base score is 8.2 out of 10.