Vulnerability · Published Aug 10, 2026 · Assigned by VulDB

CVE-2026-19382Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak

Low 2.3

In plain English

A low-severity memory leak in Speedfan from Almico. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)2.3Low
Exploit odds (30 days)0.2%top 93.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 products (as reported)

VendorProductVersions
Almico Speedfan 4.52

Weakness: CWE-401, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References