CVE-2026-90508

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

Published Sep 13, 2026 CVSS 4.0 · 4.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
First Time appeared Chengdu Qilu Technology
Chengdu Qilu Technology ludashi
Weaknesses CWE-862
CWE-863
CPEs cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*
Vendors & Products Chengdu Qilu Technology
Chengdu Qilu Technology ludashi
References
Metrics cvssV2_0

{'score': 2.9, 'vector': 'AV:L/AC:L/Au:M/C:N/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.4, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 15, 2026, 2:00 PM
Reserved
Sep 12, 2026, 8:52 AM
Status
Deferred
Published
Sep 13, 2026, 10:16 AM
Modified
Sep 15, 2026, 3:17 PM