CVE-2022-4294: Avast Antivirus

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.

Affected products

• Avast Antivirus: before 22.10 (fixed in 22.10)
• Avg Antivirus: before 22.10 (fixed in 22.10)
• Avira Avira Security: before 1.1.78 (fixed in 1.1.78)
• Norton Power Eraser: before 119.1.5.1 (fixed in 119.1.5.1)

Published 2023-01-10. Last modified 2026-06-17.