CVE-2025-71326CWE-428

CVE-2025-71326

High · published June 19, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.4th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-06-19T19:16Z
References (3)
https://www.avast.com/ · [email protected]https://www.exploit-db.com/exploits/52510 · [email protected]https://www.vulncheck.com/advisories/avast-antivirus-unquoted-service-path-privilege-escalation · [email protected]
EPSS history
Timeline
  • 19 JUN 14:16Z
    AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation
    cvelistv5