---
cve: "CVE-2026-70354"
severity: "HIGH"
cvss: 7.8
epss: "29%"
vendor: "Microsoft"
kev: false
exploited: false
published: "2026-08-11 17:07:15"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T08:53:49+02:00"
---

# CVE-2026-70354

> 7.8 HIGH

## Beschreibung

Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
```

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

## Patch verfügbar (OSV)

- 808c6af9a9cb4e3d6680f36180e55cb2aeb0ce26 (Commit)
- 808c6af9a9cb4e3d6680f36180e55cb2aeb0ce26 (Commit)

## Referenzen

- <https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70354>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-70354) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_