CVE-2025-10905

MEDIUM

Avast Free Antivirus <25.9 - Privilege Escalation

Title source: llm
STIX 2.1

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)

Scores

CVSS v3 4.4
EPSS 0.0001
EPSS Percentile 3.1%
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