---
cve: "CVE-2026-90508"
severity: "MEDIUM"
cvss: 4.6
epss: "0.1%"
vendor: "Chengdu Qilu Technology"
kev: false
exploited: false
published: "2026-09-13 10:16:55"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T04:25:26+02:00"
---

# CVE-2026-90508

> 4.6 MEDIUM · 🧪 PoC

## Beschreibung

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-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-90508) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_