CVE-2025-71326
HIGH EPSS 2.7%
Published Jun 19, 20261w ago · Modified Jun 23, 20266d ago
8.5 CVSS 4.0
Published Jun 19, 2026 1w ago
Last Modified Jun 23, 2026 6d ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
2.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-428
References 3
- avast.com https://www.avast.com/
- exploit-db.com https://www.exploit-db.com/exploits/52510
- vulncheck.com https://www.vulncheck.com/advisories/avast-antivirus-unquoted-service-path-privilege-escalation
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.