CVE-2022-4294: Norton, Avira, Avast and AVG Antivirus for Windows Privilege Escalation

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-10 · updated 2026-06-17
Weakness: CWE-269

Description

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 Free: before 22.10 — fixed in 22.10
Nortonlifelock "Avira Security" – for Windows: before 1.1.78 — fixed in 1.1.78
Symantec Norton Power Eraser: before 119.1.5.1 — fixed in 119.1.5.1

How to fix

Upgrade to a fixed version: Avast Antivirus 22.10; AVG AntiVirus Free 22.10; Nortonlifelock "Avira Security" – for Windows 1.1.78; Symantec Norton Power Eraser 119.1.5.1. Check the vendor advisory for mitigations.

References

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