Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Almico Speedfan MSR Index speedfan.sys KiSystemCall64 memory leak
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
L L N H N N N L 1.8 .0012 2.1 —
AFFECTED
Product Versions Fixed
Speedfan 4.52 – —
TIMELINE
Aug 9 Reserved by VulDB
Aug 10 Published (CNA: VulDB)
Aug 12 EXPLOIT PUBLISHED — CVE-2026-19382 (Almico Speedfan). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 9, 2026 | Reserved | Reserved by VulDB |
| August 10, 2026 | Published | Published (CNA: VulDB) |
| August 12, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-19382 (Almico Speedfan). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Almico | Speedfan | — | 4.52 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19382 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.