CVE-2022-4173 HIGH

CVE-2022-4173: Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation

Vendor Nortonlifelock
Product Avast and AVG Antivirus
Weakness CWE-269
Published December 5, 2022
Last update April 14, 2025

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.

Key dates

02Disclosure timeline

December 5, 2022 CVE published
April 14, 2025 Record updated

Related vulnerabilities

04Related CVE