CVE-2026-27750 | Gen Digital Avira Internet Security up to 1.1.109.1990 Optimizer toctou

A vulnerability categorized as critical has been discovered in Gen Digital Avira Internet Security up to 1.1.109.1990. Affected by this issue is some unknown functionality of the component Optimizer. Such manipulation leads to time-of-check time-of-use.

This vulnerability is documented as CVE-2026-27750. The attack needs to be performed locally. There is not any exploit available.