CVE-2026-90508
Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization
LOW 1.8EPSS 0.2%
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.
- Affected
- Chengdu Qilu Technology · Ludashi
- CVSS v4.0 VULDB
- 1.8 LOW
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 - CVSS v3.1 VULDB
- 3.4 LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L - CVSS v2.0 VULDB
- 2.9 LOW
AV:L/AC:L/Au:M/C:N/I:P/A:P - EPSS
- 0.16% chance of exploitation in the next 30 days, 5th percentile
- Published
- 2026-09-13
- Updated
- 2026-09-15