CVE-2026-90508 json
Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
published last mo. modified last mo. also EUVD-2026-76981
- cvss
- 3.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- gist.github.com https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.6 | 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 |
| CNA | 3.1 | 3.4 | 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 |
| CNA | 3.0 | 3.4 | 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 |
| CNA | 2.0 | 2.9 | AV:L/AC:L/Au:M/C:N/I:P/A:P/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 1.8 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 3.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L |
| CNA | 2.0 | 2.9 | AV:L/AC:L/Au:M/C:N/I:P/A:P |
Affected products
- Chengdu Qilu Technology Ludashi
Classification
References
-
gist.github.com
/lzty/fc5f336dca4c287ab4c22168b6dc8ec2
exploit
-
vuldb.com
/vuln/403096
vdb-entry, technical-description
-
vuldb.com
/vuln/403096/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-90508
third-party-advisory
-
vuldb.com
/submit/895271
third-party-advisory
Sources
- CVE List CVE-2026-90508
- NVD CVE-2026-90508
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