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OpenAdvisories

Vendor

Avast

24 known vulnerabilities.

Avast at a glance

Last 12 months
6
Critical · all time
2
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 2 vulnerabilities, 1 critical Dec 2025 January 2026: 0 vulnerabilities February 2026: 1 vulnerability March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 1 vulnerability Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202600
Sep 202600
Aug 202600
Jul 202600
Jun 202610
May 202600
Apr 202600
Mar 202600
Feb 202610
Jan 202600
Dec 202521
Nov 202521
Oct 202500
Sep 202500
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Jul 202500
Jun 202500
May 202540
Apr 202500
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Dec 202400

Products

Free Antivirus 5 CleanUp Premium 5 AVAST Antivirus 4 Antivirus 3 Premium Security 3 (Free/Premiium/Ultimeat) Antivirus 1 CleanUp 1 Avast Business Antivirus 1 Anitvirus 1 AVAST SecureLine 1 Antivirus < 22.10 0 Antivirus Script Shield < 18.0.1478 0 Antivirus < 22.11 0

Latest advisories

  • Medium max 7.3
    WID-SEC-2026-4235 1 CVE

    Norton Antivirus: Schwachstelle ermöglicht Privilegieneskalation

    Ein lokaler Angreifer kann eine Schwachstelle in Norton Antivirus, Avast Antivirus und AVG Anti-Virus ausnutzen, um Daten zu manipulieren und seine Privilegien auf SYSTEM zu erhöhen.

    Avast AVG Norton Windows Android macOS iOS
  • Medium max 7.8
    WID-SEC-2026-1935 8 CVEs

    Avast Antivirus: Mehrere Schwachstellen ermöglichen Codeausführung und DoS

    Ein lokaler Angreifer kann mehrere Schwachstellen in Avast Antivirus ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial-of-Service-Zustand auszulösen.

    Avast Linux Windows macOS
  • Medium max 7.8
    WID-SEC-2026-1410 2 CVEs rev. 2

    Avast Antivirus: Schwachstelle ermöglicht Privilegieneskalation

    Ein lokaler Angreifer kann eine Schwachstelle in Avast Antivirus und AVG Technologies Anti-Virus ausnutzen, um seine Privilegien zu erhöhen.

    Avast AVG Linux Windows
    first May 5, 2022
  • High max 9.9
    WID-SEC-2025-2714 2 CVEs

    Avast Antivirus: Mehrere Schwachstellen

    Ein Angreifer kann mehrere Schwachstellen in Avast Antivirus ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um seine Privilegien zu erhöhen.

    Avast Windows
  • Medium max 7.5
    WID-SEC-2024-3068 1 CVE

    Avast Antivirus: Schwachstelle ermöglicht Privilegieneskalation

    Ein lokaler Angreifer kann eine Schwachstelle in Avast Antivirus und AVG Anti-Virus ausnutzen, um seine Privilegien zu erhöhen.

    Avast AVG Linux Windows
All Critical High Medium Low Exploited only Public exploit

24 results · Feed

  • High 7.8
    CVE-2025-71326

    AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation

    AVAST Antivirus 25.11 contains an unquoted service path vulnerability in the SecureLine service that allows local non-privileged users to execute code with elevated SYSTEM privileges. Attackers can exploit the unquoted binary path in the service configuration…

    Avast AVAST Antivirus
  • High 7.8
    CVE-2020-37037

    AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path

    Avast SecureLine 5.5.522.0 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious code that …

    Avast AVAST SecureLine
  • High 7.5
    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.

    Avast Antivirus Anitvirus
  • Critical 9.0
    CVE-2025-3500 Public exploit

    Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

    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.

    Avast Antivirus
  • Critical 9.9
    CVE-2025-13032

    Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3  on windows allows local attacker to escalate privel…

    Avast AVG Avsat (Free/Premiium/Ultimeat) Antivirus
  • Medium 4.4
    CVE-2025-10905

    Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection

    Collision in MiniFilter driver in Avast Software Avast Free Antivirus  before 25.9  on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.

    Avast Free Antivirus
  • High 7.3
    CVE-2025-4134

    Lack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files

    Lack of file validation in do_update_vps in Avast Business Antivirus for Linux 4.5 on Linux allows local user to spoof or tamper with the update file via an unverified file write.

    Avast Avast Business Antivirus
  • High 7.8
    CVE-2024-13962

    Link Following Local Privilege Escalation Vulnerability in Avast Cleanup Premium Version 24.2.16593.17810

    Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Gen Digital Inc. Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via…

    Avast CleanUp Premium
  • High 7.8
    CVE-2024-13961

    Avast Cleanup Premium TuneupSvc Link Following Local Privilege Escalation Vulnerability

    Link Following Local Privilege Escalation Vulnerability in TuneupSvc in Avast Cleanup Premium Version 24.2.16593.17810 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via creating a symbo…

    Avast CleanUp Premium
  • High 7.8
    CVE-2024-13944

    Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate (Also affects Avast CleanUp and AVG TuneUp)

    Link Following Local Privilege Escalation Vulnerability in NortonUtilitiesSvc in Norton Utilities Ultimate Version 24.2.16862.6344 on Windows 10 Pro x64 allows local attackers to escalate privileges and execute arbitrary code in the context of SYSTEM via the …

    Avast AVG Norton TuneUp
  • High 7.8
    CVE-2024-7233

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low…

    Avast Free Antivirus
  • High 7.8
    CVE-2024-7232

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low…

    Avast Free Antivirus
  • High 7.8
    CVE-2024-7227

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low…

    Avast Free Antivirus
  • High 7.8
    CVE-2024-7229

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. An attacker must first obtain the ability to execute low-privil…

    Avast CleanUp Premium
  • High 7.8
    CVE-2024-7231

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. An attacker must first obtain the ability to execute low-privil…

    Avast CleanUp Premium
  • High 7.8
    CVE-2024-7230

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability

    Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. An attacker must first obtain the ability to execute low-privil…

    Avast CleanUp Premium
  • Medium 6.1
    CVE-2024-7228

    Avast Free Antivirus Link Following Denial-of-Service Vulnerability

    Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-…

    Avast Free Antivirus
  • High 7.3
    CVE-2024-5102

    Elevation of Privelage via symlinked file in Avast Antivirus

    A sym-linked file accessed via the repair function in Avast Antivirus <24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\SYSTEM. The vulnerability exists within the "Repair" (settings -> troubleshoo…

    Avast Antivirus
  • High 7.8
    CVE-2023-42125

    Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability

    Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to exe…

    Avast Premium Security
  • Medium 5.3
    CVE-2023-42124

    Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability

    Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the abili…

    Avast Premium Security
  • Medium 5.8
    CVE-2023-1587

    Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue w…

    Avast AVG AVAST Antivirus AVG Antivirus
  • Medium 6.5
    CVE-2023-1586

    Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the resto…

    Avast AVG AVAST Antivirus AVG Antivirus
  • Medium 6.5
    CVE-2023-1585

    Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quara…

    Avast AVG AVAST Antivirus AVG Antivirus
  • Medium 6.1
    CVE-2021-27241

    This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Se…

    Avast Premium Security