CVE-2026-90508

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

LOW
3.4
CVSS Score
Published: September 13, 2026 at 09:45 AM UTC
Updated: September 15, 2026 at 03:17 PM UTC
1 product affected across 1 vendorLudashi

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Severity
LOW3.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403096
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403096/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90508
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/895271

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.4LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862CWE-863

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