CVE-2025-7027 is a high-severity vulnerability affecting Gigabyte motherboards, specifically within the UEFI firmware's Software SMI handler. It allows a local attacker to achieve arbitrary memory writes within System Management RAM (SMRAM) by manipulating unvalidated UEFI NVRAM variables and attacker-controlled pointers. This can lead to SMM privilege escalation, firmware compromise, and potentially bypass Secure Boot. While no public exploit code is currently available and it's not on CISA's KEV catalog, the vulnerability has garnered significant community discussion and media coverage, indicating high awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| GIGABYTE | UEFI-GenericComponentSmmEntry | 1.0.0CNA affected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.