CVE-2026-8501

Vulnerability Description

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.

Vulnerability Details

Published Date

June 01, 2026

Last Modified

June 01, 2026

Source

NVD

External References

https://kb.cert.org/vuls/id/158530
https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules
https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language

CVE-2026-8501

Vulnerability Description

Vulnerability Details

External References

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