CVE-2025-51619

Published Sep 9, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A vulnerability in the Thesycon DPC Latency Checker driver (dpc.sys) thru 1.4.0 allows local unprivileged users to cause a denial-of-service (BSOD) condition on Windows systems. The driver exposes an IOCTL interface (0x81772008) that accepts user-controlled input without validating pointers before passing them to kernel APIs. Specifically, it dereferences a user-supplied pointer and uses the resulting value in a call to ExSetTimerResolution, leading to an arbitrary kernel memory access. Exploiting this flaw results in a system crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
Title Kernel Pointer Dereference in Thesycon DPC Latency Checker Driver Causes System Crash
Weaknesses CWE-119
CWE-416
Type Values Removed Values Added
Title Kernel Pointer Dereference in Thesycon DPC Latency Checker Driver Causes System Crash
Weaknesses CWE-119
CWE-416
Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A vulnerability in the Thesycon DPC Latency Checker driver (dpc.sys) thru 1.4.0 allows local unprivileged users to cause a denial-of-service (BSOD) condition on Windows systems. The driver exposes an IOCTL interface (0x81772008) that accepts user-controlled input without validating pointers before passing them to kernel APIs. Specifically, it dereferences a user-supplied pointer and uses the resulting value in a call to ExSetTimerResolution, leading to an arbitrary kernel memory access. Exploiting this flaw results in a system crash.
References

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Weaknesses

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Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 9, 2026, 6:57 PM
Reserved
Jun 16, 2025, 12:00 AM
Status
Deferred
Published
Sep 9, 2026, 7:17 PM
Modified
Oct 19, 2026, 9:10 PM