CVE-2026-19382: Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak
A weakness has been identified in Almico Speedfan 4.52. This affects the function KiSystemCall64 in the library speedfan.sys of the component MSR Index Handler. Executing a manipulation can lead to memory leak. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-19382?
The severity of CVE-2026-19382 is rated as low with a score of 2.3.
What does CVE-2026-19382 affect?
CVE-2026-19382 affects the speedfan.sys library in Almico Speedfan 4.52, specifically the function KiSystemCall64.
What type of vulnerability is CVE-2026-19382?
CVE-2026-19382 is a local memory leak vulnerability.
How can CVE-2026-19382 be exploited?
CVE-2026-19382 can only be exploited locally through a manipulation of the affected function.
What is the impact of CVE-2026-19382?
The impact of CVE-2026-19382 includes a memory leak which can lead to resource exhaustion.