BaseFortify

Publication date: 2025-11-11

Last updated on: 2025-12-08

Assigner: NortonLifeLock Inc.

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-11-11

Last Modified

2025-12-08

Generated

2026-07-06

AI Q&A

2025-11-11

EPSS Evaluated

2026-07-05

NVD

CVE-2025-13032

Affected Vendors & Products

Vendor	Product	Version / Range
avast	antivirus	to 25.3 (exc)
microsoft	windows	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-367	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.
CWE-NVD-CWE-noinfo

Attack-Flow Graph

Executive Summary

This vulnerability is a double fetch issue in the sandbox kernel driver of Avast/AVG Antivirus versions prior to 25.3 on Windows. It allows a local attacker to escalate privileges by exploiting a pool overflow condition.

Impact Analysis

An attacker who successfully exploits this vulnerability can gain higher privileges on the affected system, potentially allowing them to execute arbitrary code with elevated rights, compromise system integrity, and access sensitive information.

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