CVE-2025-10905

Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection

State: Published
Severity: 4.4 Medium
Published: Nov 11, 2025
Updated: Nov 12, 2025
Reserved: Sep 24, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	4.4 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	NLOK

Weaknesses

CWE-693 Protection Mechanism Failure

Affected Products

Product	Versions
Free AntivirusAvast	before 25.9Affected

References

https://www.gendigital.com/us/en/contact-us/security-advisories/)

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.