CVE-2025-10905 MEDIUM

CVE-2025-10905: Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection

Vendor Avast
Product Free Antivirus
Weakness CWE-693
Published November 11, 2025
Last update November 12, 2025
View on NVD All CVEs

CVSS base score

4.4/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 11, 2025 CVE published
November 12, 2025 Record updated