CVE-2025-13032

CRITICAL

Avast Antivirus < 25.3 - Local Privilege Escalation via Sandbox Kernel Driver Double Fetch

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1

Scores

CVSS v3 9.9
EPSS 0.0023
EPSS Percentile 13.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-367
Status published
Products (1)
avast/antivirus < 25.3
Published Nov 11, 2025
Tracked Since Feb 18, 2026