CVE-2025-51060

An issue was discovered in CPUID cpuz.sys 1.0.5.4. An attacker can use DeviceIoControl with the unvalidated parameters 0x9C402440 and 0x9C402444 as IoControlCodes to perform RDMSR and WRMSR, respectively. Through this process, the attacker can modify MSRLSTAR and hook KiSystemCall64. Afterward,...

CVE-2025-51060

An issue was discovered in CPUID cpuz.sys 1.0.5.4. An attacker can use DeviceIoControl with the unvalidated parameters 0x9C402440 and 0x9C402444 as IoControlCodes to perform RDMSR and WRMSR, respectively. Through this process, the attacker can modify MSRLSTAR and hook KiSystemCall64. Afterward,...

CVE-2025-51060

An issue was discovered in CPUID cpuz.sys 1.0.5.4. An attacker can use DeviceIoControl with the unvalidated parameters 0x9C402440 and 0x9C402444 as IoControlCodes to perform RDMSR and WRMSR, respectively. Through this process, the attacker can modify MSRLSTAR and hook KiSystemCall64. Afterward,...

PT-2025-31967

Name of the Vulnerable Software and Affected Versions cpuz.sys version 1.0.5.4 Description An attacker can use DeviceIoControl with unvalidated parameters 0x9C402440 and 0x9C402444 as IoControlCodes to perform RDMSR and WRMSR, respectively. This allows modification of MSR LSTAR and hooking of...

CVE-2025-51060

A security vulnerability exists in CPUID cpuz.sys version 1.0.5.4 due to improper access control. An attacker can utilize the DeviceIoControl function with unvalidated parameters (0x9C402440 and 0x9C402444 ) as IoControlCodes to perform RDMSR and WRMSR operations. This allows for the modification...

CVE-2025-51060: Improper Access Control

An issue was discovered in CPUID cpuz.sys 1.0.5.4. An attacker can use DeviceIoControl with the unvalidated parameters 0x9C402440 and 0x9C402444 as IoControlCodes to perform RDMSR and WRMSR, respectively. Through this process, the attacker can modify MSRLSTAR and hook KiSystemCall64. Afterward,...