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CVE-2025-7026 - Intel Software SMI Handler Local Privilege Escalation Vulnerability

CVE ID : CVE-2025-7026
Published : July 11, 2025, 4:15 p.m. | 41 minutes ago
Description : A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control the RBX register, which is used as an unchecked pointer in the CommandRcx0 function. If the contents at RBX match certain expected values (e.g., '$DB$' or '2DB$'), the function performs arbitrary writes to System Management RAM (SMRAM), leading to potential privilege escalation to System Management Mode (SMM) and persistent firmware compromise.
Severity: 8.2 | HIGH
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