---
cve: "CVE-2022-26486"
severity: "CRITICAL"
cvss: 9.6
epss: "2.4%"
vendor: "Mozilla"
kev: true
exploited: true
published: "2022-12-22 20:15:22"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T17:27:54+02:00"
---

# CVE-2022-26486

> 9.6 CRITICAL · ⚠️ CISA KEV (1646 Tage) · 🔓 Exploited

## Beschreibung

An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

## CVSS-Vektor

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

| 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 | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://www.mozilla.org/security/advisories/mfsa2022-09/>
- <https://bugzilla.mozilla.org/show_bug.cgi?id=1758070>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-26486) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_