CVE-2022-4173: A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his…

PriorityP352high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

0.68%

47.8th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
avast	avast	20.5 – 22.9	—
avast	avg_antivirus	20.5 – 22.9	—
nortonlifelock	avast_and_avg_antivirus	20.5 – 22.9	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.