Local Vulnerability in Avast Free Antivirus Allows Bypass of Security Features
CVE-2025-10905

4.4MEDIUM

Key Information:

Vendor

Avast

Vendor
CVE Published:
11 November 2025

What is CVE-2025-10905?

A local vulnerability exists in the MiniFilter driver of Avast Free Antivirus prior to version 25.9 for Windows. This flaw allows a local attacker, who possesses administrative privileges, to disable the software's real-time protection and self-defense mechanisms, exposing the system to potential threats.

Affected Version(s)

Free Antivirus Windows 0 < 25.9

References

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dongchan Seo
.