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).
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)
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
- VDB-387275 | Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak vdb-entry, technical-description
- VDB-387275 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-19382 | CVE Analysis and Report third-party-advisory
- Submit #866833 | SOKNO S.R.L Speedfan 4.52 Memory Leak third-party-advisory
- https://drive.google.com/file/d/18ocvgZ9aYGpaqMuojNH1jzVpQ1AJBI7d/view?usp=sharing exploit