📦 Antivirus

by Avast

🔍 What is Antivirus?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2025-3500

CRITICAL CVSS 9.0 Dec 1, 2025

An integer overflow vulnerability in Avast Antivirus for Windows allows attackers to escalate privileges on affected systems. This affects Avast Antivirus versions 25.1.981.6 through 25.2.x. Users run...

CVE-2025-13032

CRITICAL CVSS 9.9 Nov 11, 2025

A double fetch vulnerability in the sandbox kernel driver of Avast/AVG Antivirus on Windows allows local attackers to escalate privileges via pool overflow. This affects users running Avast or AVG Ant...

CVE-2024-5102

HIGH CVSS 7.0 Jun 10, 2024

This vulnerability in Avast Antivirus allows low-privileged Windows users to elevate privileges to SYSTEM level by exploiting a race condition in the repair function. Attackers can delete arbitrary fi...

CVE-2021-45339

HIGH CVSS 7.8 Dec 27, 2021

This CVE describes a local privilege escalation vulnerability in Avast Antivirus where an attacker with local access can bypass Avast's self-defense mechanisms by hollowing trusted processes. This all...

CVE-2021-45335

HIGH CVSS 8.8 Dec 27, 2021

This vulnerability in Avast Antivirus allows local users to manipulate the sandbox component's permissions to control scan outcomes, potentially evading malware detection or deleting arbitrary system ...

CVE-2021-45337

HIGH CVSS 8.8 Dec 27, 2021

A privilege escalation vulnerability in Avast Antivirus's Self-Defense driver allows local users with SYSTEM privileges to gain elevated privileges by hollowing the wsc_proxy.exe process. This could l...

CVE-2024-9484

MEDIUM CVSS 5.1 Oct 4, 2024

A null pointer dereference vulnerability in AVG/Avast Antivirus for macOS allows attackers to crash the antivirus application by processing a specially crafted XAR archive file. This affects macOS use...

CVE-2024-9482

MEDIUM CVSS 5.1 Oct 4, 2024

An out-of-bounds write vulnerability in AVG/Avast Antivirus for macOS allows a specially crafted Mach-O file to crash the antivirus application during file processing. This affects macOS users running...