VULNERABILITY INTELLIGENCE

CVE-2026-8501

CVSS score7.8 HIGH
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-06-01
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-782: Exposed IOCTL with Insufficient Access Control

Primary references