CVE-2026-27749 | Gen Digital Avira Internet Security up to 1.1.109.1990 System Speedup Avira.SystemSpeedup.RealTimeOptimizer.exe deserialization

A vulnerability was found in Gen Digital Avira Internet Security up to 1.1.109.1990. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file Avira.SystemSpeedup.RealTimeOptimizer.exe of the component System Speedup Component. This manipulation causes deserialization.

This vulnerability is registered as CVE-2026-27749. The attack needs to be launched locally. No exploit is available.

Upgrading the affected component is advised.