---
cve: "CVE-2026-43704"
severity: "MEDIUM"
cvss: 5.3
epss: "38%"
vendor: "Apple"
kev: false
exploited: false
published: "2026-06-29 20:17:35"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T09:29:15+02:00"
---

# CVE-2026-43704

> 5.3 MEDIUM

## Beschreibung

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.

## CVSS-Vektor

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

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

## Referenzen

- <https://support.apple.com/en-us/127594>
- <https://support.apple.com/en-us/127595>
- <https://support.apple.com/en-us/127685>
- <https://support.apple.com/en-us/128068>
- <https://support.apple.com/en-us/128069>
- <https://support.apple.com/en-us/128070>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-43704) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_