Arbitrary Memory Write Vulnerability in CPUID CPU-Z

CVE-2017-15303 · MEDIUM Severity

AV:L/AC:L/AU:S/C:P/I:P/A:P

In CPUID CPU-Z before 1.43, there is an arbitrary memory write that results directly in elevation of privileges, because any program running on the local machine (while CPU-Z is running) can issue an ioctl 0x9C402430 call to the kernel-mode driver (e.g., cpuz141_x64.sys for version 1.41).

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