🛡️ CVE-2025-71326

🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-428 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-71326 is classified as CWE-428: Unquoted Search Path or Element. A path containing spaces is used unquoted, so the system may execute a different file than intended.

Affected software

CVE-2025-71326 is recorded against 1 package.

  • unknown

Timeline and source

Published on 19 June 2026 and last revised on 23 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.avast.com
www.exploit-db.com
www.vulncheck.com

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-428
Public Exploit ✅ No
Source NVD
Published 2026-06-19
Updated 2026-08-11
Modified 2026-06-23
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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