CVE-2026-80303 | Gen Digital AVG Antivirus Free up to 26.6 WFP Stream Parser integer underflow

A vulnerability has been found in Gen Digital AVG Antivirus Free, AVG Internet Security, AVG Ultimate, Avast Antivirus, Avast One, Avast Premium Security, Avast Ultimate, Norton 360 Advanced, Norton 360 Deluxe, Norton 360 Standard and Norton Antivirus Plus up to 26.6 and classified as very critical. This impacts an unknown function of the component WFP Stream Parser. This manipulation causes integer underflow.

This vulnerability is handled as CVE-2026-80303. The attack can be initiated remotely. There is not any exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More