Description
Avast SecureLine 5.5.522.0 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious code that would execute with LocalSystem account permissions during service startup.
Exploits (1)
Scores
CVSS v3
7.8
EPSS
0.0001
EPSS Percentile
0.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-428
Status
published
Products (1)
Avast/AVAST SecureLine
5.5.522.0
Published
Feb 01, 2026
Tracked Since
Feb 18, 2026