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

Medium 4.4 Published Updated

A local attacker with administrative privileges can disable real-time protection and self-defense mechanisms in Avast Free Antivirus.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-10905?

CVE-2025-10905 is a medium-severity vulnerability in Avast Free Antivirus, published on 11 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-693

Which versions are affected by CVE-2025-10905?

How do I fix CVE-2025-10905?

No fix has been published for CVE-2025-10905 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-10905 being exploited?

There is no known exploitation of CVE-2025-10905 in the wild and no public exploit code.

Sources

Also known as GHSA-7rvm-5hwf-93cv.

Is CVE-2025-10905 in your software?

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