CVE-2022-4173

Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation

Description

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.

Category

7.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.32%
Third-Party Advisory norton.com
Affected: NortonLifeLock Avast and AVG Antivirus
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2022-4173?
CVE-2022-4173 has been scored as a high severity vulnerability.
How to fix CVE-2022-4173?
To fix CVE-2022-4173, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-4173 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4173 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4173?
CVE-2022-4173 affects NortonLifeLock Avast and AVG Antivirus.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.