Description
Collision in MiniFilter driver in Avast Software Avast Free Antivirus before 25.9 on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.
References (1)
Core 1
Core References
Scores
CVSS v3
4.4
EPSS
0.0010
EPSS Percentile
1.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-693
Status
published
Products (1)
Avast/Free Antivirus
< 25.9
Published
Nov 11, 2025
Tracked Since
Feb 18, 2026