Gen Digital Avast Antivirus, Avast One, Avast Premium Security, Avast Ultimate
3 CVEs affecting Gen Digital Avast Antivirus, Avast One, Avast Premium Security, Avast Ultimate. Latest disclosed: 2026-11-06. Critical: 0, High: 0.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-80303 | | 2026-11-06 | An integer underflow vulnerability in the Avast Windows Filtering Platform (WFP) stream parser on Windows allows denial of service by causing a system crash. … | |
CVE-2026-80302 | | 2026-11-06 | Insufficient isolation in the Avast sandbox file virtualization layer on Windows allows a local, low-privileged attacker executing inside the sandbox to write… | |
CVE-2026-80301 | | 2026-11-06 | Improper isolation in the Avast sandbox on Windows allows a local, low-privileged attacker executing inside the sandbox to access COM interfaces to the Task Sc… |