---
cve: "CVE-2026-20418"
severity: "CRITICAL"
cvss: 9.8
epss: "33%"
vendor: "MediaTek, Inc."
kev: false
exploited: false
published: "2026-02-02 09:15:56"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T04:51:32+02:00"
---

# CVE-2026-20418

> 9.8 CRITICAL

## Beschreibung

In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| 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-2026-20418) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_