Search/CVE-2017-15303
● CVE — High

CVE-2017-15303

VendorcpuidProductcpu-zDiscoveredOct 16, 2017UpdatedMay 13, 2026

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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CVSS v3.1
7.8 HIGH
EPSS
1.59%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 31, 2026
▲ 0.06pp
1.53% → 1.59% over 10 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Oct 16, 2017
Disclosure — published as a CVE record. · last revised by NVD May 13, 2026
Public PoC (1)
github.com/hfiref0x/Stryker
Unverified third-party code — review before executing.