CVE-2019-18894

In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently...

CVE-2019-11230

In Avast Antivirus before 19.4, a local administrator can trick the product into renaming arbitrary files by replacing the Logs\Update.log file with a symlink. The next time the product attempts to write to the log file, the target of the symlink is renamed. This defect can be exploited to rename...

CVE-2020-10860

An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service AvastSvc.exe...

CVE-2020-10862

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service AvastSvc.exe allows attackers to achieve Local Privilege Escalation LPE via RPC...

CVE-2020-10866

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service AvastSvc.exe allows attackers to enumerate the network interfaces and access points from a Low Integrity process via RPC...

CVE-2020-10863

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service AvastSvc.exe allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine...

CVE-2020-10867

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service AvastSvc.exe allows attackers to bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled...

CVE-2021-27241

This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 Build 20.8.5653.561. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The...

📄 AVAST Antivirus 25.11 Unquoted Service Path

AVAST Antivirus version 25.11 contains an unquoted service path vulnerability that allows local non-privileged users to potentially execute code with elevated SYSTEM privileges. Attackers can exploit the unquoted service path configuration to inject malicious executables that will be run with...

CVE-2025-3500

Integer Overflow or Wraparound vulnerability in Avast Antivirus 25.1.981.6 on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3...

CVE-2025-10101

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025...

Exploit for CVE-2025-3500

Lab: CVE-2025-3500 - Integer Overflow in Avast Antivirus Privi...

Exploit for CVE-2025-3500

Lab: CVE-2025-3500 - Integer Overflow in Avast Antivirus Privi...

EUVD-2025-200023

Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avast Antivirus on MacOS when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the anitvirus engine process.This issue affects Antivirus: from 8.3.70.94 before 8.3.70.98...

EUVD-2025-200024

Heap-based Buffer Overflow, Out-of-bounds Write vulnerability in Avast Antivirus on MacOS of a crafted Mach-O file may allow Local Execution of Code or Denial of Service of antivirus protection. This issue affects Antivirus: from 15.7 before 3.9.2025...

CVE-2025-7007 Null pointer dereference in Avast Antivirus on macOS (16.0.0) or Linux (3.0.3)

NULL Pointer Dereference vulnerability in Avast Antivirus on MacOS, Avast Anitvirus on Linux when scanning a malformed Windows PE file causes the antivirus process to crash.This issue affects Antivirus: 16.0.0; Anitvirus: 3.0.3...

CVE-2025-7007

CVE-2025-7007 describes a NULL pointer dereference in Avast Antivirus running on macOS (version 16.0.0) and Linux (version 3.0.3). The issue occurs when scanning malformed Windows PE files, causing the antivirus process to crash. Multiple connected sources confirm the affected versions and the ro...

EUVD-2025-200065

NULL Pointer Dereference vulnerability in Avast Antivirus on MacOS, Avast Anitvirus on Linux when scanning a malformed Windows PE file causes the antivirus process to crash.This issue affects Antivirus: 16.0.0; Anitvirus: 3.0.3...

CVE-2025-7007 Null pointer dereference in Avast Antivirus on macOS (16.0.0) or Linux (3.0.3)

NULL Pointer Dereference vulnerability in Avast Antivirus on MacOS, Avast Anitvirus on Linux when scanning a malformed Windows PE file causes the antivirus process to crash.This issue affects Antivirus: 16.0.0; Anitvirus: 3.0.3...

CVE-2025-8351

Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux for engine builds before...