What’s Vulnerable › Vulnerabilities

CVE-2017-15303

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-10-16 · updated 2026-06-17
• Weakness: CWE-787

Description

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).

Affected products

• Cpuid Cpu-Z: through 1.42

References

• https://github.com/akayn/Bugs/blob/master/CPUID/CVE-2017-15303/README.md
• https://github.com/akayn/Bugs/blob/master/CPUID/CVE-2017-15303/README.md

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