CVE-2026-90508

LOW 3.4

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

CVSS Score

3.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862 CWE-863
Vendor	chengdu qilu technology
Product	ludashi
Published	Sep 13, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Chengdu Qilu Technology / Ludashi

6.1026.4715.714

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403096 vuldb.com: https://vuldb.com/vuln/403096/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90508 vuldb.com: https://vuldb.com/submit/895271 gist.github.com: https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2

Credits

🔍 Bigcat (VulDB User) VulDB CNA Team