---
cve: "CVE-2026-40639"
severity: "MEDIUM"
cvss: 5.7
epss: "19%"
vendor: "Dell"
kev: false
exploited: false
published: "2026-06-09 19:17:53"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T01:34:43+02:00"
---

# CVE-2026-40639

> 5.7 MEDIUM

## Beschreibung

Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-40639) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_