---
cve: "CVE-2025-13032"
severity: "CRITICAL"
cvss: 9.9
epss: "0.3%"
vendor: "Avast"
kev: false
exploited: false
published: "2025-11-11 17:15:39"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-11-09T14:23:44+01:00"
---

# CVE-2025-13032

> 9.9 CRITICAL

## Beschreibung

Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3  on windows allows local attacker to escalate privelages via pool overflow.

## CNA-Record (Kanon, cvelistV5)

- CNA: **NLOK**
- State: PUBLISHED
- Stand: 2025-11-14 19:27:08
- CNA-CVSS: **9.9** (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

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

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-367** — Time-of-check Time-of-use (TOCTOU) Race Condition
  The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

## Angriffsmuster (CAPEC)

- [CAPEC-27 — Leveraging Race Conditions via Symbolic Links](https://capec.mitre.org/data/definitions/27.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)

- [Avast Antivirus: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2025-2714) — _BSI-Einstufung: hoch_
  Ein Angreifer kann mehrere Schwachstellen in Avast Antivirus ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um seine Privilegien zu erhöhen.

## Referenzen

- <https://www.gendigital.com/us/en/contact-us/security-advisories/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-13032/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_