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CVE-2026-90508

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

CVSS 4.0 4.6 MEDIUMCVSS 3.1 3.4 LOWCVSS 3.0 3.4 LOWCVSS 2.0 2.9 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-90508

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90508

Published

Ludashi

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Chengdu Qilu Technology",
                    "product": "Ludashi",
                    "versions": [
                        {
                            "version": "6.1026.4715.714",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Message Dispatch Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON