Local Privilege Escalation Vulnerability in Gigabyte Firmware
CVE-2025-7026

8.2HIGH

Key Information:

Vendor

Gigabyte

Vendor
CVE Published:
11 July 2025

What is CVE-2025-7026?

A security issue in the Software SMI handler can enable local attackers to manipulate the RBX register, leading to unauthorized writes to System Management RAM. When specific values are matched, this vulnerability can allow escalation to System Management Mode, resulting in persistent risks to firmware integrity. Users are urged to patch their systems to safeguard against potential exploitation.

Affected Version(s)

UEFI-GenericComponentSmmEntry 1.0.0

References

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-7026 : Local Privilege Escalation Vulnerability in Gigabyte Firmware