CVE-2026-8501
Description
AI Translation Available
Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.
https://kb.cert.org/vuls/id/158530
https://learn.microsoft.com/en-us/windows/security/application-security/applica…
https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-de…