CVE-2026-90508Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 3.4 LOW (v3.1, CNA)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
- Weakness (CWE)
- CWE-862, CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Chengdu Qilu Technology Ludashi chengdu_qilu_technology:ludashi | 6.1026.4715.714 | CNA record |
References
- https://vuldb.com/vuln/403096vdb-entry, technical-description
- https://vuldb.com/vuln/403096/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-90508third-party-advisory
- https://vuldb.com/submit/895271third-party-advisory
- https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2exploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.