---
cve: "CVE-2026-43777"
severity: "HIGH"
cvss: 7.5
epss: "51%"
vendor: "Apple"
kev: false
exploited: false
published: "2026-07-27 21:17:02"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T17:02:17+02:00"
---

# CVE-2026-43777

> 7.5 HIGH

## Beschreibung

This issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause a denial of service.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://support.apple.com/en-us/128067>
- <https://support.apple.com/en-us/128071>
- <https://support.apple.com/en-us/128072>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-43777) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_