CVE-2026-19382

LOW 2.3

Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak

CVSS Score

2.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-401 CWE-404
Vendor	almico
Product	speedfan
Published	Aug 10, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Almico / Speedfan

4.52

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/387275 vuldb.com: https://vuldb.com/vuln/387275/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19382 vuldb.com: https://vuldb.com/submit/866833 drive.google.com: https://drive.google.com/file/d/18ocvgZ9aYGpaqMuojNH1jzVpQ1AJBI7d/view?usp=sharing

Credits

🔍 Raulisr00t (VulDB User) VulDB CNA Team