CVE Catalog

CVE-2026-8501

HighCVSS 7.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

6th percentile - higher than 6% of all known CVEs

Summary

The Windows kernel driver PCTCore64.sys from PC Tools Internet Security has improper access control, allowing user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker can exploit this to perform sensitive operations on the system.

Risk Assessment

An attacker can escalate privileges or perform kernel operations, leading to full system compromise.

Recommendation

Update PC Tools Internet Security to a version that includes a fixed driver with proper access control.

Related vulnerabilities

Original NVD description (English source)

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 data from NVD (NIST) · CISA KEV · EPSS