---
cve: "CVE-2026-84136"
severity: "MEDIUM"
cvss: 6.1
epss: "6.9%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-09-01 13:20:07"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T07:48:29+02:00"
---

# CVE-2026-84136

> 6.1 MEDIUM

## Beschreibung

Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

## CVSS-Vektor

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

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

## Referenzen

- <https://bugzilla.mozilla.org/show_bug.cgi?id=2048699>
- <https://www.mozilla.org/security/advisories/mfsa2026-82/>
- <https://www.mozilla.org/security/advisories/mfsa2026-85/>
- <https://www.mozilla.org/security/advisories/mfsa2026-86/>
- <https://www.mozilla.org/security/advisories/mfsa2026-88/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-84136) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_