Improper Access Control in PCTCore64.sys Driver from PC Tools Internet Security
CVE-2026-8501
Currently unrated
What is CVE-2026-8501?
The PCTCore64.sys Windows kernel driver from PC Tools Internet Security contains an improper access control vulnerability. This flaw enables local attackers to access the PCTCoreDriver WDM device interface, allowing them to invoke privileged IOCTL handlers. If an attacker manages to load or access the affected driver, they can perform sensitive operations that could compromise the integrity of the target system. It is crucial for users to ensure that the latest security updates are applied to mitigate this vulnerability.
Affected Version(s)
PC Tools Internet Security *