---
cve: "CVE-2026-20407"
severity: "CRITICAL"
cvss: 9.3
epss: "17%"
vendor: "MediaTek, Inc."
kev: false
exploited: false
published: "2026-02-02 09:15:55"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T05:25:49+02:00"
---

# CVE-2026-20407

> 9.3 CRITICAL

## Beschreibung

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00464377; Issue ID: MSV-4905.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://corp.mediatek.com/product-security-bulletin/February-2026>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-20407) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_