Avast and AVG Antivirus Privilege Escalation Vulnerability in Sandbox Kernel Driver

A double fetch vulnerability has been identified in the sandbox kernel driver of Avast and AVG Antivirus versions prior to 25.3 on Windows. This vulnerability allows local attackers to escalate privileges through a pool overflow exploitation.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing a local attacker to gain elevated rights or access within the system.