CVE-2017-15303

HIGH 7.8CVE-2017-15303 · Published 16/10/2017 · updated 17/06/2026

In short

CVE-2017-15303 is a HIGH (CVSS 7.8) vulnerability affecting cpu-z (cpuid).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 75.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
cpu-z cpuid	`≤ 1.42`	No fix yet

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).

References

akayn/Bugs · Third Party Advisory

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