---
cve: "CVE-2026-0083"
severity: "CRITICAL"
cvss: 10.0
epss: "0.1%"
vendor: "Google"
kev: false
exploited: false
published: "2026-06-17 13:19:26"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-28T17:25:31+01:00"
---

# CVE-2026-0083

> 10.0 CRITICAL

## Beschreibung

In Nfc::eventCallback() of Nfc.h, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## CNA-Record (Kanon, cvelistV5)

- CNA: **google_android**
- State: PUBLISHED
- Stand: 2026-06-18 03:56:02
- CNA-CVSS: **10.0** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-362** — Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
  The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

## Angriffsmuster (CAPEC)

- [CAPEC-26 — Leveraging Race Conditions](https://capec.mitre.org/data/definitions/26.html) _(Severity: High)_
- [CAPEC-29 — Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions](https://capec.mitre.org/data/definitions/29.html) _(Severity: High)_

## BSI-Hinweise (deutsch)

- [Android Patchday Juni 2026: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-1993) — _BSI-Einstufung: hoch_
  Ein Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um erweiterte Berechtigungen zu erlangen, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.

## Referenzen

- <https://source.android.com/docs/security/bulletin/android-17>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-0083/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_