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4 vulnerabilities found for Avast Antivirus by Avast
CVE-2025-71326 (GCVE-0-2025-71326)
Vulnerability from cvelistv5
Published
2026-06-19 14:16
Modified
2026-07-14 22:26
Severity ?
8.5 (High) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
VLAI Severity ?
EPSS score ?
CWE
- CWE-428 - Unquoted Search Path or Element
Summary
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 to inject malicious executables that execute with high-level system permissions.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast | AVAST Antivirus |
Version: 25.11 |
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CVE-2023-1587 (GCVE-0-2023-1587)
Vulnerability from cvelistv5
Published
2023-04-19 18:39
Modified
2025-02-05 16:15
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-476 - NULL Pointer Dereference
Summary
Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AVAST | Avast Antivirus |
Version: 22.5 |
|||||||
|
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CVE-2023-1586 (GCVE-0-2023-1586)
Vulnerability from cvelistv5
Published
2023-04-19 18:35
Modified
2025-02-05 16:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Avast | Avast Antivirus |
Version: 22.5 |
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CVE-2023-1585 (GCVE-0-2023-1585)
Vulnerability from cvelistv5
Published
2023-04-19 18:27
Modified
2025-02-05 14:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Avast | Avast Antivirus |
Version: 22.5 |
|||||||
|
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