High severity7.8NVD Advisory· Published Jun 19, 2026· Updated Jun 23, 2026

CVE-2025-71326

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Avast\!/Antivirusllm-fuzzy
Range: 25.11
Avast\!/SecureLinellm-fuzzy
Range: 25.11

Patches

Vulnerability mechanics

References

www.avast.comnvd
www.exploit-db.com/exploits/52510nvd
www.vulncheck.com/advisories/avast-antivirus-unquoted-service-path-privilege-escalationnvd

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