Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak
Summary
| CVE | CVE-2026-19382 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-10 01:16:48 UTC |
| Updated | 2026-08-10 01:16:48 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 1.8 LOW from [email protected]
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-401 | CWE-404 | CWE-401 Memory Leak | CWE-404 Denial of Service
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 1.8 | LOW | 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/C... |
| 4.0 | CNA | DECLARED | 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 |
| 3.1 | [email protected] | Primary | 2.3 | LOW | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | CNA | DECLARED | 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 |
| 3.0 | CNA | DECLARED | 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 |
| 2.0 | [email protected] | Secondary | 1.4 | AV:L/AC:L/Au:M/C:N/I:N/A:P | |
| 2.0 | CNA | DECLARED | 1.4 | AV:L/AC:L/Au:M/C:N/I:N/A:P/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
NoneIntegrity
NoneAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
LowCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| drive.google.com/file/d/18ocvgZ9aYGpaqMuojNH1jzVpQ1AJBI7d/view | [email protected] | drive.google.com | |
| vuldb.com/cve/CVE-2026-19382 | [email protected] | vuldb.com | |
| vuldb.com/vuln/387275/cti | [email protected] | vuldb.com | |
| vuldb.com/submit/866833 | [email protected] | vuldb.com | |
| vuldb.com/vuln/387275 | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Raulisr00t (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-09T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-09T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-09T19:26:00.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.