CVE-2026-19382
Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak
- State
- Published
- Severity
- 4.6 Medium
- Published
- Aug 10, 2026
- Updated
- Aug 13, 2026
- Reserved
- Aug 9, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.6 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 2.3 Low | 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 | VulDB |
| 3.0 | 2.3 Low | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.4 Low | AV:L/AC:L/Au:M/C:N/I:N/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
SpeedfanAlmico |
|
References
- VDB-387275 | Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leakvdb-entrytechnical-description
- VDB-387275 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-19382 | CVE Analysis and Reportthird-party-advisory
- Submit #866833 | SOKNO S.R.L Speedfan 4.52 Memory Leakthird-party-advisory
- https://drive.google.com/file/d/18ocvgZ9aYGpaqMuojNH1jzVpQ1AJBI7d/view?usp=sharingexploit
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