boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-90508

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   L   L   N   H   N   N   L   L    1.8   .0016    4.3     —
AFFECTED
  Product  Versions           Fixed
  Ludashi  6.1026.4715.714 –  —
TIMELINE
  Sep 12  Reserved by VulDB
  Sep 13  Published (CNA: VulDB)
  Sep 15  EXPLOIT PUBLISHED — CVE-2026-90508 (Chengdu Qilu Technology Ludashi). Public exploit reference added.
CWE-862, CWE-863 · CNA: VulDB · CVSS v4.0 · 5 references · NVD status: Deferred

Description

A security flaw has been discovered in Chengdu Qilu Technology Ludashi 6.1026.4715.714. Affected by this vulnerability is the function MessageNotifyCallback in the library ProtectFilter64.sys of the component Message Dispatch Handler. Performing a manipulation results in missing authorization. Attacking locally is a requirement. The exploit has been released to the public and may 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
DateEventDetail
September 12, 2026ReservedReserved by VulDB
September 13, 2026PublishedPublished (CNA: VulDB)
September 15, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-90508 (Chengdu Qilu Technology Ludashi). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
Chengdu Qilu TechnologyLudashi—6.1026.4715.714—

Weaknesses

CWE-862 · CWE-863

References (5)

Related

Authoritative record: CVE-2026-90508 at cve.org

Vendors: chengdu qilu technology

Weaknesses: CWE-862 · CWE-863

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-90508 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 Sunday, October 4, 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.